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Recap / One-Punch Man

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This is the Recap Page for One-Punch Man, including manga chapters which have yet to be adapted into anime, and webcomic chapters which have yet to be adapted into manga. Also includes OVA specials, whose status in the canon is unknown.

Spoilers are unmarked. You have been warned.

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    Introduction Saga 

The first 15 chapters of the manga, and the first 4 episodes of the anime.


Saitama Introduction Arc

  • The Earth's Apostle Vaccine Man attacks A-City, causing intense destruction and defeating many heroes. However, he stops when he is confronted with Saitama, a non-descript bald guy who is just a hero for fun. Saitama then unceremoniously defeats Vaccine Man in one punch, much to his own dismay.
  • Later, Saitama goes shopping and his backstory is shown. He was once a normal salaryman, but became bored with his life after failing to be hired anywhere he looked. When he happened upon Crablante, a Tiger-level crustacean monster who wanted to kill a kid with a butt-chin, Saitama decided to risk his life to save the child. After miraculously defeating Crablante, Saitama decided to quit his full-time career and become a part-time hero.
  • Back in the present day, a colossal man attacks B-City. His name is Marugori, and he is the result of his older brother's experimental steroid called "Biceps Brachii King." Saitama goes to meet Marugori, who claims he is now the strongest man on earth. During their altercation, Marugori accidentally kills his own brother. Enraged, Marugori pounds Saitama with a ferocious beatdown that blows a huge crater in the ground. However, Saitama nonchalantly jumps right back out of the crater and punches Marugori in the face, defeating him in one blow.
  • Saitama returns home and goes to bed, pondering his nature as an undefeatable hero. He is awoken in the morning by an invasion conducted by the Subterraneans, a race of giant super-beings living under the Earth's crust. They claim to have already exterminated 70% of humanity, and Saitama finds they are both powerful and numerous enough to finally give him a real challenge. Excited by this, Saitama battles against the entire Subterranean race, resulting in a cataclysmic showdown that pushes him to his very limits. After having defeated the Subterraneans, their king and leader arrives, even bigger and stronger than any of his subjects. Saitama excitedly rushes at the Subterranean King... but is suddenly awoken by his alarm clock. It was only a dream.
  • However, Saitama finds that an actual invasion by real Subterraneans is occurring just outside his apartment. He excitedly gets his hero equipment and rushes outside, only to defeat the (much smaller) Subterranean King in one kick, making the rest of the little Subterraneans quickly surrender and bury back underground, to Saitama's disappointment.

House of Evolution Arc

  • On a cloudy day, Saitama is watering his plant when a mosquito starts to bug him. Its tiny body manages to escape Saitama's swats, greatly irritating him.
  • Outside, an insectoid monster named Mosquito Girl is terrorizing Z-City with an army of mosquitoes. She is confronted by Genos, a young man who is a cyborg. Genos and Mosquito Girl battle, and Saitama enters the battlefield as he chases a mosquito. Genos urges him to not get in the way. Mosquito Girl manages to tear up most of Genos' mechanical body and things aren't looking good, so Genos begins preparing to self-destruct to kill Mosquito Girl with him. However, she is suddenly killed in one slap by Saitama, shocking Genos. He begs Saitama to make him his disciple to grow stronger, and Saitama reluctantly agrees.
  • Genos stops by Saitama's apartment and shares his backstory - in 20 words or less: his village was destroyed and he became a cyborg to get revenge. A mantis monster named Kamakyuri suddenly bursts through the ceiling, and an annoyed Saitama kills it before it can explain itself. Saitama and Genos head outside, where they find several monsters waiting for them. They kill all the monsters together, leaving a cyborg named Armored Gorilla remaining. He tells them he and his cohorts are from the House of Evolution, an organization made by the genius Dr. Genus bent on evolving organisms to perfection. Dr. Genus saw Saitama kill Mosquito Girl, one of his creations, and wants to study him. They then force Armored Gorilla to give them the location of the headquarters.
  • Saitama and Genos follow the directions and arrive at the headquarters, which Genos instantly destroys in a huge blast. This reveals a trapdoor, which the two enter. In the tunnels they are attacked by Dr. Genus and Carnage Kabuto, the ultimate creation of the House of Evolution. Carnage Kabuto challenges Saitama, and they go to an arena deeper within the hideout to battle.
  • As the fight is about to start, Genos attacks Carnage Kabuto instead, but is quickly defeated. Saitama then prepares to take on Carnage Kabuto himself. Carnage Kabuto attacks him, but hesitates, suddenly sensing Saitama's overpowering strength. Saitama then explains how he got so incredibly strong: 100 push-ups, 100 sit-ups, 100 squats, and a 10km run every day! However, nobody believes him, and this only angers Carnage Kabuto. He then enters "Carnage Mode," and unleashes a barrage of different attacks onto an unaffected Saitama. Saitama suddenly realizes he is about to miss a sale, and kills Carnage Kabuto in one punch so he can make it in time. Genos and Dr. Genus are stunned.

Paradise Group Arc

  • An anti-capitalist terrorist group known as the Paradisers appear, composed of men with shaven heads and bulky black battle suits. To make their voices known, the leader Hammerhead announces they are going to destroy the home of a multi-millionaire named Zeniru. Mumen Rider, a lesser-known hero, tries to stop them and fails.
  • Saitama hears about this dangerous group of bald terrorists on the news, and decides to take care of the problem before he is associated with the Paradisers too.
  • Speed-o'-Sound Sonic, a private mercenary ninja hired by Zeniru, confronts the Paradisers in a forest and kills every member save Hammerhead. A brief scuffle ensues between the terrorist and the ninja; Sonic defeats Hammerhead, but the terrorist escapes.
  • Saitama finds Hammerhead in the forest, who tries to kill him. Saitama quickly destroys his battle suit and tells him to leave, and the nude Hammerhead gratefully flees.
  • Speed-o'-Sound Sonic arrives and asks Saitama where Hammerhead went, believing him to be a part of the Paradisers. Saitama tries to explain he's a hero, but Sonic says he's never heard of him. Sonic jumps around and shows off his speed, but Saitama easily follows his movements. Surprised, Sonic attacks Saitama but his momentum carries his crotch onto Saitama's fist. He jumps back and declares Saitama his eternal rival.
  • It is revealed that Hammerhead was attacked by two mysterious robots elsewhere in the woods, claiming to be from "the Organization." They reveal that the Paradisers stole their battle suits from the Organization, and Hammerhead plays dead until they leave.
  • Back in the apartment, Genos tells Saitama about the National Superhero Registry. The two decide to register.

    Hero Association Saga 

Chapters 16 to 36 of the manga, or episodes 5 to 12 of the anime.


National Superhero Registry Arc

  • Saitama and Genos go to take the hero registry exam. Saitama breaks all existing records during the physical portion, but completely fails the written portion, resulting in him being ranked a lowly C-Class hero. However, Genos does well on both portions of the exam, resulting in him being ranked a prestigious S-Class.
  • The two go to a seminar for passing hero candidates, led by an A-Class hero named Snakebite Sneck. He is irritated by Saitama's nonchalance and yells that they should learn from him to become great heroes.
  • Later, Saitama is challenged by Sneck while walking along a river. Sneck explains he is "newbie-crushing," a common practice where more seasoned heroes beat up rookies in order to assert dominance. He attacks, but Saitama quickly buries him in the ground and walks away.
  • Saitama and Genos later decide to spar in an empty quarry. Genos wants Saitama to not hold back, and attacks him with flashy moves that rattle the landscape but can never connect. He becomes exasperated with Saitama's excessive dodging and reminds him to not hold back. Saitama complies, and almost instantly gets behind Genos with a punch full of killing intent. However, he holds back at the last second, with his fist inches from Genos' face. He then suggests they're finished and should go out for noodles before walking away. Genos is disheartened by Saitama's speed and strength, turning around to see that the mountain behind him was blown away by the shockwave of Saitama's punch.
  • Five days later, Genos formally asks Saitama if he can move in. Saitama initially refuses, but begrudgingly accepts when Genos offers to pay rent.
  • Genos informs Saitama that C-Class heroes will be expelled from the Hero Association if they are inactive for more than a week. Saitama didn't know this and frantically rushes out of the apartment to find a crime to stop, but doesn't find anything and gives up.
  • The next day he continues his patrol, and is stopped when Speed-'o-Sound Sonic appears to challenge him again. Another hero, Tanktop Tiger, suddenly arrives on the scene, claiming that Saitama has been running around scaring people for the last two days. Sonic doesn't tolerate this interruption and quickly defeats Tanktop Tiger, causing the surrounding civilians to panic. Realizing Saitama is technically a hero, Sonic begins attacking the civilians in order to force Saitama to fight him. Saitama is annoyed by the needless destruction until he realizes Sonic is technically a villain for his actions, and quickly incapacitates the ninja with one blow. He then gets Sonic arrested, fulfilling his weekly hero quota.

Rumored Monster Arc

  • The Hero Association staff are having a meeting, discussing reports from various cities. They send heroes Spring Mustachio and Golden Ball to investigate rumors about the abandoned section of Z-City (where Saitama lives). They encounter a seaweed-based monster called Kombu Infinity, who defeats them. The monster informs them that it isn't the rumored monster. It then encounters Saitama, who steals its kombu hair to make soup. Genos believes Saitama is trying to regrow his hair with the kombu, but Saitama firmly denies it.

Giant Meteor Arc

  • Saitama and Genos discuss their positions in the Hero Association; Saitama has risen to rank 342 in the C-Class, and although Genos is at the bottom of S-Class, he is ranked 6th in the popularity polls due to his cool appearance.
  • Meanwhile, a giant meteor is approaching the Earth, and Genos is called to a nearby Hero Association branch. There he meets another S-Class hero called Silver Fang, though his real name is Bang. They were ordered to stop the impact of the meteor on Z-City, but Bang can't do anything about it because he's just a martial artist. Bang says the city will evacuate and he will just try to protect his dojo, but Genos wants to try stopping the meteor. He gets on a roof and equips his special Arms Mode, preparing to blast the meteor.
  • A large robot suddenly appears, and Genos recognizes it as the S-Class hero Metal Knight. Genos asks Metal Knight to help him stop the meteor, but Metal Knight claims he just wants to test out a new weapon and has no intention of trying to stop it. The robot shoots an impressive volley of missiles at the meteor, but it does nothing to slow its descent.
  • Genos begins to panic, but Bang arrives and calms him down. Genos inserts his body's power core into his Arms Mode attachment and fires a huge blast at the meteor, but it isn't enough, and he drains all his energy in vain. Fortunately, Saitama appears, leaping off the building and punching straight through the meteor. The meteor explodes into shrapnel midair, lessening the impact but causing destruction around the city.
  • Three days later, Saitama walks around Z-City surveying the damage. He runs into Tanktop Tiger, who accuses him of taking credit for destroying the meteor. Tanktop Tiger's brother, Tanktop Black Hole, arrives and adds to the accusations, drawing the attention of civilians. Citizens begin to gather to accost Saitama for his alleged misdemeanors, and the Tanktop brothers both challenge Saitama. He shuts them up by easily disposing of them before telling the civilians he is just a hero for fun and doesn't need their approval.

Sea Monsters Arc

  • Monsters begin emerging from the ocean, calling themselves the Seafolk and announcing their conquest of the surface world. They are challenged by A-Class hero Stinger.
  • Elsewhere, Genos receives a call from the Hero Association stating that the Seafolk have attacked J-City, and Saitama seriously states that they need to get there as fast as possible.
  • Stinger is holding his own against the Seafolk, and manages to defeat many of them despite being battered and bruised. He remains confident, until he is taken out in one blow by their leader: the Demon-level threat, the Deep Sea King.
  • An evacuation begins as the threat of the Seafolk becomes more and more apparent. A-Class hero Lightning Max cautiously observes the Deep Sea King walking through the city, but is attacked anyways. He is saved by an S-Class hero, Puri-Puri Prisoner, who escaped from prison to help fight off the invasion; he is followed by Speed-'o-Sound Sonic, who escaped from the same prison alongside him. Puri-Puri Prisoner battles the Deep Sea King, but is defeated by the malicious marine monarch. Sonic then challenges the Deep Sea King, and despite lacking any ninja equipment, Sonic's speed seems to be more than a match for him. However, as it starts to rain, the Deep Sea King gets faster, revealing that he is stronger when he is hydrated. Sonic is eventually forced to flee the battle.
  • The Deep Sea King then decides to attack a nearby disaster shelter full of civilians. He breaks into one and battles all the heroes there, including Snakebite Sneck.
  • Mumen Rider is making his way to J-City on his bicycle as he talks with Hero Association staff, until he drops his cell phone. Saitama picks up the phone, and uses it to learn the location of the Deep Sea King.
  • Back in the shelter, all the heroes have been defeated. Fortunately, Genos arrives and engages the Deep Sea King, resulting in a grueling battle. The Deep Sea King ends up spitting acid at a litte girl nearby, and Genos sacrifices his mechanical body to save her. Because of this, the Deep Sea King defeats Genos with ease.
  • Just as the Deep Sea King is about to finish Genos, Mumen Rider throws his bicycle at him. Mumen Rider tries to combat the Deep Sea King, but is toyed with and easily beaten. Despite this, he doesn't give up, and continues to throw himself at the Deep Sea King as a crowd cheers him on. As Mumen Rider takes one final blow, silencing the crowd, he is saved by Saitama's arrival. The Deep Sea King challenges Saitama, but is defeated in one punch.
  • The civilians are initially ecstatic at Saitama's victory. However, one man expresses doubt, believing that the other heroes weakened the Deep Sea King and Saitama only appeared to finish him off and steal the glory. This results in the crowd becoming disillusioned with Saitama.
  • Later, Saitama and Genos are going through fan-mail at home. Genos has received many positive letters, but Saitama continues to get hate-letters. Finally, however, he manages to find a single thank you letter.
  • Saitama decides to accept a promotion to B-Class. The Hero Association staff are unsure of Saitama's results, considering the possibility he is a sham, but Sweet Mask appears and tells them they don't have to worry about B-Class promotions as much as A or S-Class promotions.
  • Afterwards, Saitama goes to a food stand. Mumen Rider is also there, and he reveals he was the one who sent the thank you letter. The two then share an order of mozuku together.

Alien Conquerors Arc

  • In a desolate region, a gigantic lizard called the Ancient King has finally awoken after a 300 million year slumber. Military forces are sent to attack him, but they are destroyed. The Hero Association then deploys Tatsumaki, the rank 2 S-Class hero, to deal with him instead. She crushes the Ancient King under a gigantic boulder with her psychokinetic powers.
  • Bang has invited Genos and Saitama to his dojo, where he shows off his martial art: Water Stream Rock Smashing Fist. He asks if they would like to learn it, but they decline. Bang's only student, Charanko, is enraged by their refusal. Bang tells him to calm down, and explains that his dojo used to have many students before one of them, a young man named Garou, went on a rampage on the other students and had to be kicked out.
  • A Hero Association employee bursts through the door, telling them there is an emergency meeting for S-Class heroes. Genos and Bang head out, and Saitama decides to tag along.
  • At the Hero Association headquarters, Saitama and Genos meet a few of the other S-Class heroes, such as Atomic Samurai, Tatsumaki, and Metal Bat. However, the rank 1 S-Class hero, Blast, is absent. Saitama sits in at the meeting too, where an executive named Sitch explains the situation. Sitch states that a seer named Shibabawa has passed away, but before she died she prophesied that the entire Earth would soon be put in great danger by a threat above Dragon-level.
  • As if on cue, the headquarters comes under attack by the airborne Skyfolk. The Sky King proclaims that they will destroy the heroes, but he himself is suddenly killed, and a much larger threat is revealed: a massive spacecraft hovering over A-City. The spacecraft quickly razes the entire city, save for the highly-durable Hero Association headquarters.
  • An A-Class hero named Iaian emerges from the rubble, witnessing the destruction. He then encounters Melzargard, a member of the alien attackers who killed the Sky King. Melzargard then attacks Iaian.
  • The S-Class heroes prepare to leave the headquarters to deal with the threat. Genos looks for Saitama, only to find he has already jumped through the ceiling and left. Saitama leaps towards the spacecraft, dodging and countering several giant bullets fired at him along the way.
  • Iaian continues to fight Melzargard, who splits himself into five different individuals to get the upper hand and cut off one of Iaian's arms. Atomic Samurai saves him, revealing Iaian is one of his disciples. Bang, Puri-Puri Prisoner, and Metal Bat also arrive to help fight Melzargard.
  • The other S-Class heroes discuss how to deal with the spacecraft, suggesting that the strongest man in the world, King, deals with it. King replies he is unable to do anything because it is too high up, frustrating Tatsumaki into dealing with it herself.
  • Meanwhile, Saitama has already infiltrated the spacecraft. He is discovered on surveillance by an alien called Geryuganshoop, who sends a soldier named Groribas to deal with him - however, Saitama quickly kills him. Geryuganshoop is shocked by Groribas' defeat, and a one-eyed alien named Boros asks him what's going on.
  • The S-Class heroes continue to fight Melzargard, who decides to send part of his body to tell the spacecraft to shoot the ground again. However, he is stopped by Metal Bat. Geryuganshoop telepathically contacts Melzargard, informing him someone has infiltrated the ship and requesting aid. Metal Bat discovers Melzargard's weakness, a marble-like object that is the core of his regeneration. However, Melzargard lands a solid hit on Bang, seemingly defeating him.
  • Geryuganshoop then telepathically talks to Saitama, trying to misdirect him through the ship and failing. Saitama arrives in the surveillance room, so Geryuganshoop attacks him, resulting in his own inevitable defeat.
  • The spacecraft finally fires a volley at the S-Class heroes on the ground, but Tatsumaki uses her psychokinesis to redirect the bullets back into its hull.
  • Saitama makes his way to Boros' chamber. Boros introduces himself as the leader of the Dark Matter Thieves, a group of alien marauders. He explains that he has become too powerful, and he heard in a prophecy that he would find a worthy opponent on the Earth. Saitama is nonplussed by his excuse for destroying a city and punches him, destroying his armor and releasing his true power. Boros then powers up and charges at Saitama, resulting in a wild battle.
  • The other S-Class heroes such as Genos, Drive Knight, and Child Emperor watch as Tatsumaki attacks the ship. Tanktop Master tries to help by throwing debris with his raw strength, but is quickly outclassed by her wide-scale psychic powers. Drive Knight decides that he's not needed and leaves, but not before giving a warning to Genos about Metal Knight, calling him "[his] enemy."
  • Melzargard gloats that the heroes will never beat him; however, Bang gets up and back into the battle, showing that it's not over yet. They work together to find Melzargard's marbles and break them all, finally killing the alien warrior.
  • Saitama and Boros' battle rages on, and Boros loses his arm to another of Saitama's punches but quickly grows it back. Boros eventually lands a decisive blow on Saitama's head, but Saitama interrupts Boros' triumphant monologue, showing him he's not hurt at all. Boros powers up into his Meteoric Burst mode, and his attacks begin to melt the ship around them with their speed and force alone as he beats on Saitama. He eventually kicks Saitama so hard he sends him to the moon, seemingly defeating him - until Saitama jumps right back down, landing on the ship and causing it to tilt and fall. Boros is angered and excited by his resilience, but Saitama begins to take him seriously and blasts him into gore with multiple consecutive punches. Boros reconstitutes his body and charges his ultimate attack, Collapsing Star Roaring Cannon, which threatens to destroy the entire planet. Saitama brings out his own ultimate attack: a Serious Punch. His Serious Punch splits Boros' beam attack in half, extending it around the entire Earth and nullifying its force - not only that, but the punch also hits Boros, splitting his body.
  • Boros' remains lie motionless on top of the ship, and he reveals that he was aware Saitama was holding back the whole time. He knows he never stood a chance, but thanks Saitama for the fight anyways as the bald hero solemnly leaves the collapsing spacecraft.
  • The spaceship crashes into the Earth, forcing all of the S-Class heroes to escape and completely leaving A-City in ruins. Sweet Mask arrives and berates the heroes for the destruction, angering Metal Bat. He also mercilessly kills the alien survivors without questioning them first. A Metal Knight drone also arrives to begin cleanup and salvage parts of the ship.
  • Saitama emerges from the wreckage of the ship, surprising Genos and Tatsumaki. Saitama explains his fight with Boros to Genos, ignoring Tatsumaki to the point where she begins insulting him. Genos stands up for his master, but is thrown aside by her telekinesis.
  • The mess is cleaned up by Metal Knight's robot forces, and the Hero Association base is rebuilt to be stronger and safer than ever.

    Human Monster Saga 
Beginning from chapter 37 of the manga and episode 13 of the anime. Manga and anime adaptations of this saga are currently still in progress, though it is finished in the webcomic.

King Arc

  • Saitama and Genos are out shopping, relaxing since the Dark Matter Thieves' attack. There they witness King, the strongest man on Earth, dealing with a monster named Tongue Stretcher with only the beat of the King Engine. The crowd adores him, but Saitama is curious about his true strength.
  • King continues to walk down the street, excited to play the new video game he just purchased. However, he is challenged by Machine God G4, a knight-like robot from the Organization. King tells him he needs to go to the bathroom first, so G4 tells him he will begin killing civilians after ten minutes.
  • King runs to a public restroom, where he locks himself in a stall and begins to panic. He thinks to himself about what a fraud he is: he's never actually defeated a monster, he just always happens to be around when someone else defeats one and he gets the credit. Because of this, the world has built a reputation around him as the strongest man on Earth, and he just never turned them down. He decides to make a run for it, mentally apologizing to the civilians as he goes, and notices someone else is fighting G4.
  • Genos is revealed to be the one fighting Machine God G4. Saitama offers to help, but Genos refuses so that he can become stronger.
  • King arrives at his apartment and begins to play his new video game. As he plays, Saitama suddenly appears in his apartment, frightening him. He asks King why he didn't fight G4, and he gives the excuse that he just doesn't like to fight and was excited to play his game. Saitama sticks around to watch him play anyways.
  • Genos continues to fight G4, managing to melt its armor down. However, a smaller robot emerges from within and begins attacking with countless laser beams.
  • Saitama is about to leave King's place when a Giant Crow suddenly crashes into the building, attempting to eat King. Saitama stops its beak with one hand, mere meters away from King, who begins to panic. Saitama asks King if he will defeat the Giant Crow, and he can't answer.
  • Genos devises a plan to capture G4, using a fire extinguisher to counter its lasers and wrapping it up with wires before going in for the kill.
  • King finally admits his fraudulent nature, and Saitama beats the Giant Crow in one punch. King then recognizes Saitama from back when he was still training to be a hero and had all his hair - he is the one who he got all his hero credit from. Fortunately for him, Saitama is apathetic towards the whole situation and amicably leaves King's apartment.

Garou Introduction Arc

  • Genos returns to Dr. Kuseno, the man who made him into a cyborg, with Machine God G4's parts. He asks Dr. Kuseno to upgrade his cyborg body using them, who warns him to not push himself too hard.
  • Meanwhile, Sitch is holding a meeting at the new Hero Associaton headquarters. He plans to recruit mercenaries, criminals, and whoever possible to help protect the Earth since the Dark Matter Thieves' attack. However, he is ridiculed by Speed-'o-Sound Sonic, who claims he is not interested and leaves. Sitch explains to the other criminals that the Earth is in danger and that they need to work together. They will be rewarded for their cooperation.
  • However, Garou, the disgraced student of Bang, speaks up. He states he just came to fight, and begins challenging the heroes and criminals there. Sitch orders Garou to leave, and sends heroes to escort him out, but he attacks them. The criminals cheer Garou on, but he tells them they're all next.
  • Outside, Sonic walks away from the Hero Association, noticing the commotion going on inside. He decides to go challenge Saitama again.
  • Back in the headquarters, Garou has defeated every single hero and criminal in the room. He declares his status as the "Hero Hunter" and leaves, as Sitch cowers in the corner.

Blizzard Group Arc

  • Three formally-dressed B-Class heroes move through Z-City: Fubuki, Eyelashes, and Mountain Ape. They approach a gate and begin to make their way into the ghost town, where their "target" awaits.
  • At their apartment, Genos reveals that Saitama has finally been promoted to B-Class. He senses a fast-moving object outside and goes to check on it, finding Speed-'o-Sound Sonic. Sonic says he wants to fight Saitama, but Genos refuses, prompting a fight between the two.
  • The three B-Class heroes arrive at Saitama's door, demanding he open up. Fubuki introduces herself to Saitama and explains she is the leader of the Blizzard Group, a team of B-Class heroes such as herself and her comrades. She demands he work for her, but Saitama declines. Eyelashes and Mountain Ape attack Saitama, but he easily disposes of them.
  • Frustrated, Fubuki reveals her psychic powers and attacks Saitama with them. He handles her with ease and begins to lecture her on the nature of heroism. She then swipes at him with a box cutter, but her attack is interrupted by a large impact behind her.
  • Genos and Sonic's fight interrupts Saitama and Fubuki's, and Genos apologizes to his master and explains the situation. Fubuki is surprised to see an S-Class hero like Genos calling Saitama "master." Genos and Sonic continue to fight, but eventually Saitama stops them to accept Sonic's challenge. Sonic comes at him with multiple afterimages of himself, but Saitama counters with his own afterimages using Serious Side Hops. Sonic is defeated and makes a hasty retreat.
  • Fubuki explains to Saitama and Genos her plight, being the younger sister of Tatsumaki, the currently highest-ranked active S-Class hero. She has been gathering the Blizzard Group in order to hopefully surpass her in numbers at least.
  • Elsewhere, a caveman named Suppon escapes from a laboratory and starts causing trouble. Sweet Mask appears to deal with it, mercilessly killing the confused neanderthal.
  • King arrives at Saitama's apartment to retrieve a gaming handheld he lent to Saitama, shocking Fubuki. Seeing how S-Class heroes are attracted to Saitama, she considers hanging out with him too.
  • Saitama and Genos are finally given their official hero names: "Caped Baldy" and "Demon Cyborg," respectively. Sitch is still furious over Garou's attack.
  • Meanwhile, Garou has encountered and defeated the hero Tanktop Vegetarian in an alley.

Hero Hunt Arc

  • At Bang's dojo, Charanko continues to be a disappointment, causing Bang to expel him.
  • Charanko visits Saitama and Genos, telling them what happened. He notices King and Fubuki are also present. Genos tells Charanko he likely was expelled for his own protection from Garou's rumored rampage. Saitama hears about the "Hero Hunter" and gets excited.
  • In a park that night, Garou encounters Mumen Rider on a path. He states he came to fight him, but is interrupted by Tanktop Vegetarian and the rest of the Tank Topper Army, who have come for revenge. As Garou is about to fight them all, he is intercepted by the leader of the group: the S-Class Tanktop Master. He hits Garou multiple times, and is surprised when he can still stand.
  • At the dojo, Bang meets with his brother, Bomb, to go find Garou and stop his rampage.
  • Tanktop Master continues to fight Garou, and has the upper hand until Mumen Rider jumps in the way of one of his punches. Mumen Rider rebukes Tanktop Master for being so brutal on a human, so Tanktop Master stops his assault and tells Garou to stop attacking heroes. Garou begins to leave, but turns around and rejects his mercy; Tanktop Master expected this, and his fist is already barreling towards him. Garou counters the heavy blow, having instinctively used Bang's Water Stream Rock Smashing Fist, and quickly pummels Tanktop Master. He then proceeds to thrash Mumen Rider and the entire Tank Topper Army. Charanko, who was watching from afar, attempts to get the jump on Garou, but he too is defeated.
  • Bang and Bomb arrive in the morning too late, and find the beaten mess of heroes in the park.
  • Several C-Class heroes discuss the rumors of the Hero Hunter, talking about how pathetic Tanktop Master must be to have lost. Garou suddenly appears behind them and quickly pummels them all.
  • Saitama goes to visit Mumen Rider in the hospital, where he also meets Tanktop Master. He hears more about the Hero Hunter and becomes more excited to finally meet him.
  • In a park, Garou encounters a kid named Tareo who is reading an official Hero Guide. He asks to see the Hero Guide, using it to pick out his next target.
  • Saitama meets Charanko at the hospital too, who informs him of an upcoming martial arts tournament called Super Fight. He has a ticket to enter, but can no longer participate, so he gives it to Saitama so he can go watch. However, Saitama instead plans to win the cash prize and find some strong martial artist opponents for the thrill of it.
  • Garou goes to a local bar, where he challenges Golden Ball to a duel. Golden Ball pretends to be drunk to catch Garou off-guard, and it almost works, but Garou evades every bullet. Spring Mustachio appears as well, attacking Garou and being knocked out for it. Golden Ball warns Garou to not get cocky, but Garou gloats and walks away.
  • A Hero Association worker named Zeimeet is walking down the street with two beautiful girls, flaunting his status and money. He asks for a kiss from the girls, but Garou punches him instead.
  • Saitama suddenly appears behind Garou, making Garou think he's looking for a challenge. He decides to strike first and chops Saitama's shoulder, but to no effect. Saitama thinks he's trying to rob him, so he chops Garou back, knocking him unconscious. In reality, he was just standing in the way of a wig shop Saitama was eyeing.
  • The next morning, Garou wakes up in the trash, confused at what happened.
  • Saitama tries out the wig he bought at home, planning to use it to masquerade as Charanko at Super Fight. Genos asks if he wants Dr. Kuseno to help bring his hair back, and Saitama hastily refuses.

Monster Raid Arc

  • The Hero Association discusses the threat that Garou poses, and how he has recently begun attacking staff as well. They agree to assign heroes to protect executives when they are in public.
  • Metal Bat gets paired up with the sponsor Narinki, and by extension his son Waganma. They go to a sushi restaurant, where Metal Bat is annoyed by Waganma's poor manners with the sushi train. He gets a call from his sister, Zenko, and rushes to the bathroom to talk to her. A rumble shakes the restaurant, and Metal Bat returns to find two monsters: Junior Centipede and Venus Mantrap. They kidnap Narinki and Waganma, but Metal Bat begins to fight them.
  • Saitama arrives at Super Fight with his wig and gi, entering under Charanko's name. He is greeted by Sour Face, another former student of Bang's who knows Charanko. He also knew Garou, and was there on the day he attacked the other students. He explains that Garou, disguised as a man in mask named "Wolfman," was the winner of the previous Super Fight tournament. Because of this, anyone wearing disguises such as masks and wigs will be disqualified.
  • Metal Bat defeats Venus Mantrap and then Junior Centipede, who are followed by the stronger Senior Centipede and Rafflesidon. The latter releases gases that knock everyone out, but Metal Bat powers through it.
  • Garou meets with Tareo again, where he learns S-Class hero Watchdog Man's location. Suddenly, an announcement claims that a monster attack is occurring and Metal Bat is present. Garou decides to go pay him a visit.
  • Metal Bat hits himself in the head to escape Rafflesidon's gases and defeats it, then moves on to defeat Senior Centipede as well. Two lower-ranked heroes, Pineapple and Mohican, arrive to assist Metal Bat, who tells them to take Narinki and Waganma and run. However, the monstrous Dragon-level threat Elder Centipede emerges from the ground. It begins to pursue Pineapple and Mohican, but Metal Bat intercepts it, only to find he can't damage its hard carapace.
  • Garou is on his way to find Metal Bat when his target suddenly crashes nearby, having been thrown around by Elder Centipede. He believes him to be incapacitated, and is surprised when Metal Bat gets up to continue the fight. Garou doesn't allow this, however, and challenges him instead.
  • Elder Centipede pursues Pineapple and Mohican, intent on taking Narinki and Waganma from them. However, Metal Knight appears and attacks Elder Centipede, drawing its attention. Pineapple and Mohican believe they are safe, but are again intercepted by three new monsters: Sludge Jellyfish, Rhino Wrestler, and Phoenix Man.
  • Meanwhile, Garou and Metal Bat continue to brawl. Garou is surprised by Metal Bat's resilience despite his lack of technique, and manages to knock him out. He turns to leave, but hears a girl's voice and turns to see a baseball bat inches away from his head; Metal Bat's sister Zenko has arrived, and just in time to save Garou. Metal Bat explains he promised to not fight in front of Zenko, and that their fight is now over. Garou reluctantly complies and leaves, while Metal Bat's injuries catch up to him and he passes out.
  • Phoenix Man realizes this is a good opportunity to attack Metal Bat and Zenko, and Sludge Jellyfish heads over. However, he is stopped by Garou, who doesn't approve of them spying on him and attacking a little girl. Phoenix Man approaches Garou and offers him an invitation to the "Monster Association," which is looking for recruits. He tears up the invitation, so Phoenix Man and Sludge Jellyfish leave.
  • Elsewhere, Rhino Wrestler easily defeats both Pineapple and Mohican. Phoenix Man arrives, telling him it's time to go. He also tells him to just take Waganma, as they only need one hostage. He then tells Elder Centipede to leave too, and they all escape together underground. Metal Knight latches onto Elder Centipede's carapace as he goes, following the monsters.
  • Monster Association-affiliated monsters are shown attacking other cities too, including Marshall Gorilla in W-City, and Electric Catfish Man and Maiko Plasma in D-City.
  • Meanwhile, in C-City, Super Fight is about to begin. Genos proudly applauds Saitama's entrance. The announcer introduces all of the martial artists present, including "Charanko," Sour Face, the two heroes Snakebite Sneck and Lightning Max, and the martial arts prodigy Suiryu.
  • Garou finally reaches Q-City, where Watchdog Man resides. He is about to attack the city's protector, but is interrupted by a sudden influx of monsters in the square.
  • Saitama and Sour Face are approached by fellow martial artist Zakos, who mocks Bang. This insults Sour Face, and Saitama states he's excited to fight him.
  • Bang and Bomb continue their search for Garou. They notice an A-Class hero, Smile Man, struggling against a monster called Fist-Fight Djinn. Bang casually walks up and breaks every bone in Fist-Fight Djinn's body, before telling Bomb they need to find Garou before he becomes a monster too.
  • At Super Fight, Lightning Max and female martial artist Lin Lin battle, with Max coming out on top.
  • The dominatrix monster Do-S fights against several heroes, striking them with her whip and putting them under her control. The Blizzard Group arrives for backup, and Fubuki prepares to fight Do-S. In I-City, the enormous Hundred-Eyes Octopus is wreaking havoc, and several heroes are trying to stop it.
  • Back at Super Fight, Saitama finally gets to fight Zakos, defeating him in a single slap. This catches Suiryu's attention. Suiryu's next match is against Lightning Max, who is determined to win after his recent loss to the Deep Sea King. However, Suiryu manages to defeat the A-Class fighter with relative ease.
  • Super Fight staff are informed of the Monster Association's attack, but decide to keep people in the arena with the martial artists and heroes instead of kicking them out into C-City. Genos gets a call as well, so he heads out of the arena to fight the monster raid. He takes on the monsters in C-City until he finds the location of the final monster left: Awakened Cockroach.
  • Saitama faces off against the fearsome fighter Bakuzan in his next match. Bakuzan taunts him and ends up touching his wig, causing Saitama to panic and quickly punch him away to win the match. Suiryu is impressed, and states he will win his next fight in one blow too.
  • Genos and Awakened Cockroach duke it out, being fairly well-matched. Genos gets the upper hand when he catches Awakened Cockroach's feet in an adhesive solution and hits him with a direct blast - however, the insectoid monster manages to break off his feet and escape just in time. Genos turns to head back to the Super Fight stadium, but is suddenly approached by another, much more powerful monster.
  • Elsewhere, Fubuki is struggling against Do-S; the monster has managed to hit all of the Blizzard Group with her whip, putting them under her control. Do-S lands multiple direct hits on Fubuki as well and begins taunting her about her inferiority to Tatsumaki. As if on cue, Tatsumaki appears, so Do-S sends the mind-controlled Blizzard Group at her while she escapes. Tatsumaki easily defeats the entire Blizzard Group and tells Fubuki to go home.

Super Fight Arc

  • At Super Fight, Suiryu faces off against Snakebite Sneck next. The two discuss heroism, as Suiryu believes heroes are unnecessary. He then easily defeats Sneck in a single kick.
  • Sweet Mask is in the middle of a concert, which is invaded by monsters. He continues the concert as he disposes of the monsters onstage. Elsewhere, Mumen Rider and Tanktop Master move to protect their hospital from monsters.
  • Deep underground, the Monster Association headquarters is revealed. A one-eyed monster named Gyoro Gyoro speaks to a much larger monster, whom he calls Monster King Orochi. He informs him that an agent called Gouketsu is en route to the Super Fight tournament.
  • Elsewhere, S-Class heroes are finally getting involved in the monster attacks. Child Emperor and Pig God deal with Eyesight in Y-City, while Drive Knight interrogates other monsters on the nature of the Monster Association.
  • Garou watches as Watchdog Man finishes the last of the monsters in Q-City. He then attacks the canine hero himself, but is caught off-guard by his four-legged fighting style and extreme speed.
  • Back in I-City, the heroes continue to fight Hundred-Eyes Octopus. Several A-Class heroes including Smile Man and Death Gatling arrive to help, but are invalidated by S-Class Flashy Flash's appearance. Flashy Flash attacks every eye on the monster's body at once, angering it and causing it to lash out. He is about to finish the monster when Tatsumaki intervenes, lifting it into the sky and crushing it with her psychic powers. She then berates the other heroes for getting in her way, much to their chagrin.
  • In the Monster Association base, Gyoro Gyoro tells Orochi that the power of the S-Class heroes is much more than they expected. Orochi is unfazed, claiming they can always make more monsters.
  • Elsewhere, Atomic Samurai is meeting with several fellow swordmasters. He asks them for help in case Garou's hero hunt gets out of hand and he needs to be killed. The council agrees, except one Haragiri, who mocks Atomic Samurai. Haragiri shows them some Monster Cells he received from the Monster Association, ordering them to eat them and become monsters, or die. Haragiri then transforms into a monster himself and begins to attack, but Atomic Samurai cuts first, killing him.
  • It's revealed that Metal Knight made it into the Monster Association base, but was destroyed and captured. The broken drone, suspended in Orochi's throne room by chains, asks them about their goals. Gyoro Gyoro tells him that while they love destruction, it is not their only goal.
  • Super Fight begins to draw to a close, with both Saitama and Suiryu moving into the final round. Suiryu attacks only with kicks, and hits Saitama with various flashy moves as he tries to keep his wig on. He asks Saitama about his workout, and Saitama lets slip that he fights monsters. Suiryu begins to insults heroes, stating they should just fight for themselves and not for others. Saitama is angered by Suiryu's callous remarks, even allowing him to kick his wig off. Saitama then tells him he shouldn't get any stronger if he's already bored, and throws a punch so powerful that it tears off Suiryu's shirt without even making contact. Saitama is disqualified for wearing a wig and Suiryu is declared winner. However, Suiryu wants to finish the fight. He unleashes his true strength on Saitama, destroying the ring and absolutely pummeling him. Saitama tries to mimic his martial arts by spinning around, and accidentally hip-checks Suiryu out of the ring. Security then moves to apprehend him, so he flees the scene.
  • At the closing ceremonies, Suiryu is given the Super Fight trophy, but he still feels humiliated by Saitama. Suddenly, the ceremony is interrupted by a large monster entering the stadium - Gouketsu. He and his servants, the Three Crows, lets the civilians escape, but he forces all the martial artists to stay. The Super Fight announcer recognizes Gouketsu as a previous Super Fight champion. Gouketsu explains that he was defeated in battle by Orochi years ago, and was given a Monster Cell for more power. He is now a cadre in the Monster Association. He then presents Monster Cells to the martial artists and demands they eat them to become monsters too. One of them, Rosie, rushes to eat one and becomes a monster. However, the sinister Choze quickly kills Rosie and moves to eat a Monster Cell himself, becoming a much more powerful monster than Rosie due to his latent potential. Benpatsu, Hamukichi, and Volten all eat Monster Cells and transform as well.
  • Suiryu asks one of the ring girls if she will go on a date with him if he beats the monsters, and she accepts. He then battles and defeats the monstrous Benpatsu, Hamukichi, and Volten with relative ease. Choze is next, and he puts up much better of a fight, but is still defeated. He then faces Gouketsu, who gives him one last chance to eat a Monster Cell. Suiryu refuses and attacks Gouketsu, but is struck with a crushing blow in return. The Three Crows then defeat the other fighters while Gouketsu continues to sadistically toy with Suiryu. Suiryu asks the last remaining martial artist, Bakuzan, for help. Bakuzan declines his request and instead consumes multiple Monster Cells at once to become a super-powerful monster - however, he ends up passing out from the stress, much to Gouketsu's amusement.
  • Suiryu loses hope, but is saved at the last second by Lightning Max and Snakebite Sneck, who had left to change into their hero gear. Together they defeat the Three Crows, and Suiryu is confused when Max and Sneck refuse to ignore Gouketsu and flee. They tell him they are heroes and have to fight no matter what, but in the end they are easily defeated. Suiryu begins to flee alone, but is intercepted by a monstrous Bakuzan, who managed to survive the Monster Cells after all. Bakuzan gives him a brutal beatdown, enthralled by his newfound strength.
  • Gouketsu is impressed by Bakuzan and offers him a high position in the Monster Association, but he declines and attacks instead. Gouketsu counters the strike, telling him that the Monster Association meets in Z-City before leaving the broken stadium. Bakuzan then turns his attention back to the beaten and bruised Suiryu. Suiryu screams out for help, pleading for a hero to come save him.
  • Saitama, who was also getting changed into hero gear, arrives to the rescue and faces off against Bakuzan. He tries to remember who Bakuzan is, but fails and ends up ending the battle in one punch anyways. He then formally introduces himself to Suiryu, instead of as "Charanko." The latter thanks Saitama and warns him of the Monster Association and Gouketsu. Upon learning that Gouketsu is a martial arts master, Saitama wants to follow the monster. Suiryu tries to stop him, claiming he shouldn't throw his life away, but fails.
  • Genos wakes up, having been defeated by Gouketsu and in the grasp of one of Dr. Kuseno's recovery drones. As he flies back to Dr. Kuseno's lab, Genos wonders if anyone will be able to defeat Gouketsu - even Saitama.
  • Moments later, Gouketsu's decapitated head flies into the stadium and lands in front of Suiryu. Saitama returns, having won in one punch as usual, and tells Suiryu to keep his identity a secret. Suiryu then asks to be his disciple to become a hero too, which Saitama instantly refuses.
  • Puri-Puri Prisoner defeats a monster called Free Hugger, learning to accept pain. He then gets a call from Smelly Lid Prison informing him that all of his fellow inmates were kidnapped by monsters.
  • Saitama explores the city, looking for more monsters to fight. He finds out they all left just recently, making him feel bad for missing such a big monster event. He begins pondering his situation, realizing he didn't gain anything from Super Fight and that he can hardly call himself a hero. A disguised King then pulls up on his bicycle next to Saitama. The two have a discussion about heroism and fulfillment, and King gives Saitama some advice and invites him to play video games.
  • Garou, injured by his failed fight with Watchdog Man, walks down the same street. He notices King, and despite his wounded status, decides to take him on. He charges at King, but Saitama quickly kicks him away, sending him through a brick wall. Neither of them recognized Garou, so they assume he was a random thug and move on.

Hero Counterattack Arc

  • Speed-'o-Sound Sonic is training in the forest when he is approached by two fellow ninjas, Gale Wind and Hellfire Flame. They reveal they have become monsters, and invite him to the Monster Association with a Monster Cell. Sonic seriously considers becoming a monster in order to grow stronger than Saitama.
  • At the Hero Association, the staff are discussing the sudden monster attack. They send S-Class Zombieman to observe Marshall Gorilla in W-City, where he witnesses the monster be defeated by the reformed Armored Gorilla. Zombieman decides to follow Armored Gorilla instead.
  • Bang and Bomb discuss Garou. Bang claims that if any hero should kill him, it should be him.
  • Sonic cooks and eats the Monster Cell, willing to become a monster; however, cooking it made it so that he only winds up with diarrhea.
  • A staff member bursts into a Hero Association meeting room, having been taken over by a parasite monster, Destrochloridium. He delivers a message from Gyoro Gyoro and kills one of the executives, challenging the Hero Association to come fight the Monster Association. He then moves to kill some more, but is stopped by S-Class Superalloy Darkshine.
  • Meanwhile, the Monster Association discusses their plans. Awakened Cockroach's failure against Genos did not go unnoticed, and Orochi eats him for it. He then moves to eat Do-S as well, but Gyoro Gyoro convinces him otherwise.
  • Garou wakes up after having been knocked out by Saitama's kick. He sees Death Gatling nearby and considers hunting him, but decides to go get some rest first.
  • Saitama is absolutely dominated by King in a fighting video game, frustrating him.
  • Elsewhere, Gyoro Gyoro finally discovers Gouketsu's decapitated body, realizing the war with the heroes may be tougher than he thought.
  • Genos is fully repaired and upgraded by Dr. Kuseno.
  • The Monster Association leaks to the media that they have a hostage: the boy, Waganma. The public begins to panic at the thought of the Monster Association's existence.
  • Metal Knight talks to Child Emperor, telling him that Orochi was able to defeat his robot before he could even think. He warns Child Emperor of the Monster Association's power, and refuses to help the Hero Association in any rescue plans, much to Child Emperor's annoyance.
  • Many monsters begin heading to Z-City, inspired by the Monster Association's power and looking to join. However, Saitama kills a large group of them on his way to take out the garbage.
  • Tareo, the boy with the Hero Guide, is talking with his friends. A shed which the boys had been using as a hideout is being occupied by someone, and they force Tareo to check it out for them. As Tareo enters the shed, much to his surprise, he encounters Garou, who is trying to recover from a fever. Outside, Death Gatling and a team of A and B-Class heroes arrive and tell the other kids to evacuate. Garou notices this and tells Tareo to stay inside, while he goes out to meet the heroes. They confirm he is the Hero Hunter and attack, keeping Garou on his toes with their superior numbers and strategy. Garou is cornered, and Death Gatling gives him a chance to surrender. However, Garou continues to fight, and eventually starts to get the upper hand on the heroes as he figures out their strategies. Eventually he has taken out every hero but Death Gatling, who attacks with his Death Shower of bullets. Garou miraculously manages to block the bullets with his bare hands, saving Tareo who is still in the shed behind him. He then defeats Death Gatling, and Tareo flees.
  • As Garou turns to leave as well, he is interrupted by the arrival of Genos, who had received a call for backup. Genos manages to overpower him with his body's new upgrades, forcing Garou to move on all-fours like Watchdog Man to stand a chance.
  • Saitama continues to lose match after match against King, frustrating him greatly. King receives the call for backup, and Saitama decides to go help in case Genos is already there.
  • Genos and Garou's battle rages on, but is interrupted by the arrival of the Monster Association. Genos fights off the monsters, and one of them invites Garou to join them, but he declines. Genos is about to attack Garou again when he is interrupted a second time by the arrival of Bang and Bomb. Bang proceeds to absolutely pummel his former student, and Garou is surprised by his brutal attacks. Realizing he can't win, Garou tries to escape, but is stopped by Bomb. Bang and Bomb then combine their martial arts against Garou. In a state of great pain, Garou remembers his miserable past as a misunderstood child being bullied and ganged up on. In his anger and despair, he commences a counterattack by pounding the ground and swiping at them with the trunk of an enormous tree.
  • Phoenix Man suddenly arrives, blowing the heroes back with his wings and grabbing Garou. He begins to fly away with him, so Genos starts targeting him with his cannons. Phoenix Man calls out for backup, and Elder Centipede shoots out of the ground to block Genos' blast with its carapace. Despite their combined strength, Bang, Bomb, and Genos are unable to damage Elder Centipede and are forced to take the unconscious heroes and retreat. Genos pushes himself extremely hard against the monster, but is still unable to harm it and is left crippled. Bang moves to sacrifice himself to buy Bomb time to escape with Genos and the unconscious heroes.
  • Fortunately, King arrives and catches Elder Centipede's attention with a megaphone. He shouts that he brought Blast with him, who once defeated Elder Centipede in the past, making the monster charge towards him in anger. Elder Centipede then meets its demise when Saitama, who jumps behind King, throws a Serious Punch that disintegrated its entire body from head to tail. Genos, Bang, and Bomb are all inspired by Saitama's strength.
  • Meanwhile, Phoenix Man carries Garou back to the Monster Association. He tells him of their leader, Orochi, before Garou passes out in his talons.

Limiter Arc

  • The Hero Association discusses recent events. Sitch believes Garou is a Dragon-level threat, and some suggest they call Blast. Narinki demands that they rescue his son, Waganma, and an executive named Sekingar assures him they are working on it. Sekingar then meets with Superalloy Darkshine, Pig God, Tatsumaki, and Drive Knight about planning a rescue, while Child Emperor works to locate the Monster Association base and fails to get Metal Knight into the group.
  • Fubuki attempts to rally Saitama and his many S-Class acquaintances to take the situation seriously and help stop the Monster Association. However, everyone is still recovering from the battle with Elder Centipede, and Saitama leaves to look for Garou.
  • Narinki grows impatient and orders a group of mercenaries, known as Narinki's Private Squad, to go save Waganma.
  • Garou wakes up to find himself inside the Monster Association's underground base. The Narinki Squad have already been captured and are being judged by Gyoro Gyoro. Do-S whips them to make them her love slaves. He also sees Machine God G5, a robot from the Organization. Afterwards, Garou is requested by Orochi to bring back the head of any hero to prove that his loyalty within one day. Garou doesn't want to join the Monster Association, but has been given little choice. Gyoro Gyoro commands Bug God and Royal Ripper to monitor Garou as the Hero Hunter completes the mission.
  • A group of humans called the Monster Worship Party agrees with the monsters and harasses a citizen for disagreeing with their ideology, but have the misfortune of bumping into Garou, who knocks them out before heading to a nearby restaurant. Saitama is having lunch at the same restaurant, but finds he isn't able to pay because he lost his wallet. Fubuki arrives to talk to him about the Blizzard Group, so Saitama tricks Fubuki into eating his fries so she has to pay for them. Garou finishes his meal and dine n' dashes, causing the servers to panic. Saitama takes the opportunity to go "catch" the dine n' dasher (unaware it's Garou) and pushes the bill onto Fubuki.
  • Tareo is being bullied by some boys, and Garou scares them off for him. Saitama catches up to Garou and lets him off with a warning. This angers Garou, thinking that heroes are starting to take pity on him. He resolves to carry out the Monster Association's task by taking Saitama's head, but Saitama quickly punches Garou away.
  • Garou gets up and asks Tareo about the hero who beat him, but Tareo didn't recognize him. Suddenly, Bug God and Royal Ripper appear, disappointed with Garou's failure against Saitama and his friendship with a little kid. They demand he kills Tareo to prove his loyalty, but Garou refuses. Royal Ripper attacks Tareo himself, but Garou protects him, causing a fight with the two monsters.
  • Gyoro Gyoro is meditating in his private room when Phoenix Man enters. He questions Gyoro Gyoro's decision to send sadistic, combat-oriented monsters like Bug God and Royal Ripper to watch Garou. As a counter-argument, Gyoro Gyoro states that Garou needs to be physically and mentally pushed to the limit to develop. Gyoro Gyoro explains to Phoenix Man that Orochi was once an ordinary human being, and that he was responsible for his development into a monster. He believes that Garou could become the next Monster King with the same treatment.
  • Atop a roof, Zombieman has followed Armored Gorilla to a takoyaki shop, suspecting it to be a new front for the House of Evolution. Upon entering the shop, he introduces himself to Armored Gorilla and reveals he was made from the House of Evolution as well. However, Armored Gorilla tells him that the House of Evolution has ceased to exist. Zombieman then meets with Dr. Genus, who informs him of his encounter with Saitama, describing him as a man who has removed his "limiter." Dr. Genus then explains that every single being has a limiter on how much they can develop, because too much power can create mindless monsters. He states that certain beings have higher potential to grow stronger, such as psychics like Tatsumaki, but Saitama was just a normal man before all this. Not only that, but Saitama achieved his strength through sheer will and determination, and without any science or enhancements. This is why Dr. Genus gave up on his scientific ambitions.
  • Meanwhile, Garou struggles against Bug God and Royal Ripper. He believes he's analyzed their moves to turn the tables soon, but is interrupted by the arrival of Sludge Jellyfish, who has captured Tareo. While Garou is distracted, he is brutalized by his opponents and left on the ground in a pool of blood. Bug God stops Royal Ripper from finishing him off, saying Gyoro Gyoro wanted him alive, and the monsters leave with Tareo in hand.
  • In Saitama's apartment, Genos, King, Bang, and Bomb are waiting for Saitama to return. When Saitama turns up looking disheveled, they presume he fought Garou. Saitama denies it, unaware that he had indeed met Garou and defeated him for the third time, and states he lost his wallet and was looking for it all day. Fubuki also arrives, and is soon followed by Dr. Kuseno, who came in a mechanical suit to check on Genos. Dr. Kuseno introduces himself to Saitama and gifts him deluxe meat for a hot pot. Saitama instructs Genos to prepare the hot pot before realizing he will have to share with the many visitors.
  • Meanwhile, in the Monster Association, Royal Ripper and Bug God try to explain Garou's 'death' to Gyoro Gyoro. He sees through their antics, but spares them from punishment and tells them to take things seriously as the Hero Association could attack soon, since they found one of Child Emperor's scout drones in the base.
  • Many members of the Monster Association are seen preparing as they wait for the battle ahead. Tareo is put into the same cell as the hostage Waganma. Waganma is confident that his rich status means that the heroes will save him, and he attempts to make Tareo his subordinate.
  • Garou wakes up, and feels like his body has changed somehow. He gets up and heads to the Monster Association for revenge.
  • Child Emperor and Sekingar go through the roster of heroes at the Hero Association headquarters. Child Emperor thinks Bang and Genos could be detrimental to the mission, not trusting Genos due to his fairly new status as an S-Class and believing Bang will be held back by mercy for Garou, so he excludes them.
  • At Saitama's apartment, the group is about to eat the steaming hot pot. They rush in with their chopsticks at once, throwing up food into the air and causing a brief scuffle which knocks out King. Saitama is annoyed by how quickly all the meat was eaten. The group then leaves.
  • The Hero Association goes over the rescue mission. Several S-Class heroes won't be present: Metal Knight continues to refuse, Bang and Genos are intentionally excluded, Watchdog Man wants to stay in Q-City, Metal Bat and Tanktop Master are still recovering, and Drive Knight is mysteriously missing. A group of heroes from A to C-Class will be sent deal with the Monster Association's forces on the surface, while the S-Class heroes will infiltrate the base itself.
  • Garou breaks into the Monster Association base, and manages to save Tareo from Royal Ripper's torture. As they make their escape, Tareo tells him there is another kid in need of rescuing, but Garou says he did not come here to save Tareo in the first place. However, they are suddenly met by the Dragon-level canine, Overgrown Rover. Garou and Tareo slowly back away in order to avoid a confrontation.
  • As they are about to turn a corner, they encounter another group of monsters who attack them. Garou deflects one of their projectile attacks, but realizes he sent it directly towards Overgrown Rover, and a large bellow is heard. Rover rushes towards them and attacks with several energy blasts, forcing Garou to split up with Tareo to take on the beast. Rover easily defeats Garou with his energy attacks and extreme durability, sending Garou careening through several floors of the base. When he finally lands, he finds himself in Gyoro Gyoro's personal room. Gyoro Gyoro paralyzes him with psychic powers and tells him he is pleased with his growth so far.
  • Saitama, noticing the tremors of Garou's fight with Rover under his neighborhood, suits up and heads out to investigate.
  • Gyoro Gyoro explains to Garou his plan to make him the ultimate monster king. He offers to help him achieve his potential by bringing him to the brink of death and back again over and over again, like he did with Orochi. Garou declines the offer, and begins to move as he adapts to Gyoro Gyoro's telekinesis. Gyoro Gyoro tries to force him to comply, but Garou stil rebels and manages to counter his attacks.
  • Disappointed, Gyoro Gyoro calls for Orochi, whose massive hands shoots up out of the floor and grabs Garou. As Garou fights back, Orochi begins to unveil his true appearance, unraveling his body into endless horns, jaws, and dragons. Gyoro Gyoro tells Garou to give up, but Garou laughs that while Orochi is strong, he is just a mindless monster. Garou takes a fighting stance, but his eyes widen when he sees Orochi takes the same stance. Orochi reveals that he is actually a fighting genius, and he was able to learn Water Stream Rock Smashing Fist just by observing him. The Hero Hunter attacks one more time, but is soundly defeated.
  • Meanwhile, Saitama notices smoke rising from a manhole.

Monster Association Arc

  • Back at the Hero Association, Sweet Mask demands he be included with the S-Class team on the mission, much to the chagrin of the others. King appears to quell the conflict, but Sweet Mask still gets his way. Sitch and Sekingar discuss the upcoming mission and Bang arrives, making for an awkward greeting. Bomb tells Bang the Hero Assoication clearly doesn't trust him. However, King arrives and asks for their help to handle his part of the mission anyways, which he was expected to do solo.
  • Fubuki walks to Saitama's apartment, where she runs into a newly-upgraded Genos. They enter Saitama's apartment only to find him missing. Soon King, Bang, and Bomb arrive too. They decide to have Genos wait for Saitama at the apartment while the rest head towards the raid.
  • Deep below the surface, Saitama wanders the large tunnels down the manhole.
  • The Hero Association's team finally arrives in Z-City's ghost town for the raid. On their way to the base's entrance, an army of monsters surround them and a battle breaks out. The psychic Evil Eye faces Tatsumaki high in the sky, while the rest of the brawl takes place in the streets. Rhino Wrestler eventually appears, cocky after leveling up from a Tiger to a Demon-level threat, and begins rating the heroes' attacks with numbers. Atomic Samurai grows impatient and quickly kills him. The S-Class heroes take over and begin to quickly clean up the monsters, amazing the lower-ranked heroes. Child Emperor finds one of Gyoro Gyoro's spy drones and disposes of it.
  • Gyoro Gyoro meets with Orochi and the other Dragon-level cadres of the Monster Association, claiming he's figured out their strategy.
  • Back on the surface, the remaining monsters are finished off and the S-Class heroes (along with Sweet Mask and Atomic Samurai's three pupils) head into the Monster Association base. Inside, they split up to follow their assigned routes.
  • Gyoro Gyoro rebukes several monsters who ran away from the initial confrontation with the heroes, and kills them by feeding them to Orochi. He warns the remaining monsters not to fail again and orders them to attack their assigned heroes.
  • Flashy Flash encounters Gale Wind and Hellfire Flame, who recognize him as a fellow ninja. They enter their monster forms and attack him, resulting in a blistering-speed battle in the underground cavern. Once Flashy Flash gets serious, he bisects them both with his Flashy Slash and sends their bodies careening into a lake below. He goes to check his communicator for his location, but finds he lost it in the fight.
  • Elsewhere in the base, Child Emperor finds the remains of Metal Knight's robot and is concerned that the Monster Association was stealing his technology. He accesses the robot's data himself, discovering that Metal Knight had a detailed map of the base already and stubbornly hadn't shared it with anyone. Phoenix Man appears to stop Child Emperor, but he easily traps and kills the bird with his gadgets, leaving his shredded body on the floor. He then follows Metal Knight's map to Waganma's location and rescues him from his prison cell. Sludge Jellyfish attacks them, but Child Emperor douses him with fuel and sets it on fire to defeat him. They continue, but run into Machine God G5. Child Emperor finds he can't easily defeat G5, so he has his robots hold it off while he escapes with Waganma.
  • The two come across Phoenix Man's body again. Waganma recognizes him as a costume from a children's show in which a bird character would often die and come back to life for slapstick comedy. As if on cue, Phoenix Man resurrects, arising in a more powerful humanoid form. Child Emperor gives Waganma a protective barrier and attacks Phoenix Man, but the resurrected monster overpowers him. This forces Child Emperor to bring out his ultimate weapon: a huge combat mecha called Brave Giant. Phoenix Man is impressed by Child Emperor's "costume", and reaches out to him through a mental plane shared by those in costumes. He tries to convince Child Emperor to join him and create a world for those who need costumes to be strong, but the young hero refuses. He attacks Phoenix Man, and the two fight until Phoenix Man threatens to melt Brave Giant with his flames. Detecting a large body of water below, Child Emperor breaks the floor to throw the monster, Waganma, and himself into the pool.
  • Meanwhile, Saitama saunters through the base. He laments that his costume is getting dirty from all the monster gore, but is suddenly drenched in a deluge of water caused by Brave Giant and Phoenix Man landing in the pool nearby. He is pushed down into the base, and runs into Child Emperor at a large dam. Child Emperor ponders if Saitama is a monster spy, but as he is distracted Phoenix Man escapes his grasp and counterattacks. The group lands at the bottom of a pit, and Phoenix Man reaches out to Child Emperor through the costume-based mental plane again. He recounts his backstory to Child Emperor, urging him to unite with his Brave Giant and become a monster like him. However, Saitama somehow enters the mental plane as well, and intimidates Phoenix Man into leaving Child Emperor alone and surrendering. Child Emperor then gets a call from Zombieman over the communicator, who commends him for his hard work and makes him feel valued.
  • However, Phoenix Man suddenly strikes again, using his powers to resurrect a crowd of Subterranean corpses nearby and commanding them to attack Child Emperor. With Brave Giant pinned down, Phoenix Man slides a Monster Cell into the cockpit, which moves to force itself down Child Emperor's throat; meanwhile, Saitama is defending Waganma from the zombie Subterraneans. Realizing that his "costume" is not his only hope, Child Emperor makes Brave Giant self-destruct, destroying the Monster Cell and the Subterraneans and launching himself over Phoenix Man's head. Phoenix Man is amused that Child Emperor just destroyed his ultimate weapon, but begins to laugh uncontrollably as Child Emperor reveals he slipped a tickling robot into his costume. Phoenix Man laughs until he comes close to death, resurrecting and transforming into a tiny baby bird monster.
  • Saitama is amused by the outcome and congratulates Child Emperor on his victory, not only physically but mentally. Suddenly, the two realize that Gale Wind and Hellfire Flame were also resurrected by Phoenix Man's ability. They move to attack Saitama, but he quickly strikes them down and the ninjas flee. Next, one of Child Emperor's dog drones returns to the scene, and the heroes and Waganma get on its back as it rushes towards the surface. On their way, Saitama notices some snake-like dragons following them and punches them into smithereens, noting to himself that something larger must be lurking below them.
  • Zombieman continues his own strike route, killing monsters and regenerating as he goes. He meets a crowd of monsters that direct him into a room where a vampire named Pureblood wants to battle. Despite suffering many wounds in the encounter, Zombieman perseveres and defeats him, to the shock of the other monsters. He then locks all the monsters in the room and kills them.
  • Pig God comes across a gluttonous lizard called the Great Food Tub. Atomic Samurai's pupils - Iaian, Bushidrill, and Okamaitachi - witness the grotesque battle and continue, running into Do-S and the brainwashed Narinki Squad. Sweet Mask appears, so the disciples reluctantly let him deal with it and leave. However, Iaian reconsiders, and the three return to help Sweet Mask just before he can attack the Narinki Squad. Bushidrill asks Sweet Mask if he was planning to kill the Narinki Squad, and he avoids the question. Do-S manages to get a sneak attack on Sweet Mask, cracking his face, but is swiftly defeated. Sweet Mask then asks the three disciples to keep an eye on the Narinki Squad for him. They return to Pig God, where they find he has swallowed the Great Food Tub whole. They continue, and confront Devil Long Hair.
  • Puri-Puri Prisoner is in the middle of a battle with several monsters when they are absorbed by a Demon-level monster called Vacuuma, who steals their powers for his own. Vacuuma confidently attacks Puri-Puri Prisoner, but is defeated. Just afterwards, Puri-Puri Prisoner hears the voices of his inmates, who have been monsterized. He vows to save them, ignoring their clear hatred of him. Nyan, the Monster Association cadre responsible for their transformation, appears and injures Puri-Puri Prisoner with his feline claws, leaving the monstrous inmates to do what they please with him. Puri-Puri Prisoner gives chase by "swimming" through the walls after him, but accidentally crushes his fellow inmates in debris, killing all of them. He then vows to avenge his fallen boys.
  • Superalloy Darkshine encounters Bug God, who fails to damage him even after transforming into a stronger form. Darkshine then destroys him in one clean hit.
  • Saitama has made it into the Monster Associaton headquarters, where he stumbles upon Overgrown Rover. The canine attacks, so Saitama punches him and tells him to sit. The blow shakes the entire headquarters, shocking both the monsters and the heroes. Nyan comes across Saitama and attacks him from behind, but when his attack fails to damage him, he cautiously slinks away.
  • Gyoro Gyoro is met with Tatsumaki, a fellow psychic. He tries to assert his telekinetic dominance, but is easily dealt with by the female esper. Gyoro Gyoro's body lays broken and torn on the ground, but Tatsumaki realizes that he is just a meat puppet, and not an actual organism with its own thoughts. Gyoro Gyoro calls for Orochi's help, but receives no answer.
  • Saitama peers down the hole in the base created by Brave Giant's beam. Dragons come shooting out of the darkness, and Orochi hoists himself up to meet Saitama, having noticed the impact from his punch on Rover earlier. Saitama is nonplussed, simply asking Orochi and the monsters to stop causing trouble under his apartment. Rover regains consciousness nearby, and Orochi commands him to kill Saitama. However, upon seeing Saitama's face Rover flees in fear, surprising Orochi. Excited by such a powerful opponent, Orochi enters his final form and attacks Saitama. His blows shake the entirety of Z-City, but Saitama manages to punch through his sea of endless dragons and fire, launching himself through Orochi's skull and sending his broken body into the abyss. Orochi, shocked, asks Saitama what happened, and he replies that it was just a normal punch.
  • One of Gyoro Gyoro's drones discovers Orochi's defeated remains at the bottom of the pit, and remarks that a bald hero beat him. Tatsumaki assumes Gyoro Gyoro means Superalloy Darkshine. She then begins to tear a body out of Gyoro Gyoro, but finds that it is just a humanoid hunk of flesh and not the true master of the body.
  • Fubuki, Bang, and Bomb walk through the Monster Association as well. She senses Tatsumaki's psychic powers in action, and warns the others that they will be facing a threat soon.
  • King wanders alone, having split up from the others. He is startled when someone calls his name, turning around to see Waganma. The boy asks to hug King, but the King Engine starts beating and King tells him to find another hero, stating that it's not possible for King to protect him. At this point, Waganma is revealed to be a shapeshifting monster, who, interpreting King's words as it's cover having been breached, promptly dies of fright.
  • Iaian, Okamaitachi, and Bushidrill are shown have finally defeated Devil Long Hair.
  • Their master, Atomic Samurai, is shown to be handling monsters with no problem. He comes across Machine God G5, who challenges him to a duel. Atomic Samurai quickly defeats G5 and cuts it open, but realizes that its core managed to escape. He decides to leave it to the surface team.
  • Child Emperor and Waganma make it to an exit, where Child Emperor plans to pass Waganma to the surface team.
  • Tareo is running through a hallway, being chased by the Dragon-level cadre Black Sperm. Atomic Samurai slashes at Black Sperm, forcing him to dodge and allowing Tareo to get away. The two then prepare to fight.
  • Child Emperor uses his communicator to notify the other heroes that he has successfully brought Waganma to the surface - however, he is met with no responses for a while. Finally, Zombieman praises Child Emperor for a job well done, followed by Sweet Mask and Pig God. The final is Atomic Samurai, who tells them that he found another child in the base: Tareo. Child Emperor furiously glares at Waganma, who begins crying and apologizes. He then leaves Waganma with the support team and heads back into the base to find the other hostage.
  • Black Sperm is angry with Atomic Samurai for his cocky attitude, enraged that he is "looking down on [him]." He warps his body and attacks Atomic Samurai, revealing that he can transforms his body and clone himself. Atomic Samurai handles the crowd of Black Sperm cells for a while, but is eventually outnumbered and overpowered, leaving him bloody on the floor. He slashes the roof, making it collapse onto all of them.
  • Zombieman hears the crash and becomes concerned for the mission. He is then snuck up on by Homeless Emperor, another cadre who attacks with balls of energy. Homeless Emperor hits Zombieman with blasts faster than he can regenerate, so Zombieman starts to stall for time by asking about his backstory. Homeless Emperor explains that after being unfairly fired from a job, he became disillusioned with humanity and began to freely despise it. One day he met a being called "God" who bestowed great powers upon him so he could punish the humans.
  • Sweet Mask uses the still-conscious head of a monster to find several large machines containing Monster Cells. The monster tells him that Orochi produces them and they are nurtured in these tanks. Sweet Mask destroys the machines and the Monster Cells within, deciding he needs to defeat Orochi to fully stop production. He then hears a laugh from down a hall, and when he asks the monster what it is, he tells him it's a cadre who will spell his doom. Fuhrer Ugly then emerges from the darkness and attacks Sweet Mask, terrifying and paralyzing him with his ugliness.
  • Pig God continues to gorge himself on any monsters he comes across. However, he is snuck up on by Gums, a cadre who swallows Pig God himself. Pig God manages to escape from Gums' stomach and begins to wrestle the bulbous monster.
  • Elsewhere, a small monster limps away from an encounter with Atomic Samurai's disciples. He walks into a room with an aquarium housing several fish, and is followed by the swordsmen. The monster informs them that the aquarium contains another cadre and smashes it open, being devoured by the fish in the process. The water begins to move, revealing itself as Evil Natural Water and attacking the heroes. Iaian wishes he knew how to cut water.
  • Puri-Puri Prisoner continues his search for Nyan as he "swims" through the walls of the Monster Association base. He ends up in a small chamber and notices Garou chained to a wall, seemingly unconscious. Not recognizing Garou as the infamous Hero Hunter, Puri-Puri Prisoner thinks he's simply another human hostage and moves to release him. However, just as Puri-Puri Prisoner recognizes Garou's face, he breaks the chains before swiftly pummeling the hero. The S-Class hero quickly understands the grave mistake he made.
  • Saitama continues to wander through the Monster Association base as he searches for someone to talk to about all the noise under his apartment. Around the next corner, Flashy Flash lies in wait. He deduces that Saitama must be a monster, so he dashes around the corner and slashes. However, Saitama easily dodges. Flashy Flash is shocked to recognize Saitama as the B-Class hero who accompanied Genos to the emergency S-Class meeting. Enraged that he dodged his attack, Flash performs his Flashy Slash on Saitama, who simply catches the sword in one hand. Unamused, Saitama accuses Flash of being a monster for attacking him, so he quickly clarifies that he's a hero too. Flash explains that they are in the Monster Association's territory, and tells him he should find shelter. Flash also tells him of the existence of the Monster King Orochi, exciting Saitama as he doesn't realize he already fought him earlier. Annoyed by Saitama's persistence, Flash runs off at high speeds to abandon him, but is shocked when Saitama can easily keep up. As they run, Saitama notices how he is seeing the same monster corpse and section of the halls again and again. Saitama asks Flashy Flash if he is lost, only to be ignored by the annoyed ninja.
  • Back in Z-City, the surface team continues to fight off monsters and protect Waganma as they wait for the S-Class heroes to find the other hostage. They notice a monster in the distance and shoot at it, but the attack is deflected, revealing it to be Nyan. Nyan begins to easily defeat the lower-ranked heroes, so C-Class Food Battler Futoshi grabs Waganma and runs. Another C-Class, Gearsper, unlocks his psychic abilities and uses them to attack Nyan, but ultimately fails. Nyan catches up to Futoshi and Waganma and grabs them, but is stopped by a fast-moving projectile, revealing Drive Knight has arrived. Drive Knight begins to pummel Nyan with his various transformations, and defeats him.
  • Sekingar marvels at Drive Knight's performance and asks him where he was. Drive Knight explains he was spying on the Monster Association, and had analyzed Nyan before attacking. He also tells Sekingar that he believes Metal Knight is a traitor to the Hero Association, though Sekingar is skeptical. Suddenly, Sekingar's hand is blown off by a laser from Machine God G5, whose core survived and made it to the surface. Drive Knight tells him to call Blast for help, since he used all his power and is now immobile, but Sekingar explains only certain people can contact Blast. Fortunately, Genos arrives out of no where and quickly defeats G5. He inquires about the situation and gets filled in. Drive Knight says he's going to take Nyan's body for research, and Nyan lets slip that he met Saitama, piquing Genos' interest. Genos then grabs Sekingar and the unconscious surface team and takes them out of Z-City, grabbing Food Battler Futoshi and Waganma on his way.
  • At a Hero Association convoy, Genos leaves Waganma and the surface team in the care of the military. He gets a call from Sitch, who thanks him for his service, but Genos tells him he's not going to follow orders and is going to help in the raid despite being told not to.
  • Superalloy Darkshine stumbles across Puri-Puri Prisoner, who has been defeated by Garou. Puri-Puri Prisoner warns him of the Hero Hunter, but Darkshine steps up and faces him.
  • Child Emperor finds Atomic Samurai's disciples defeated by Evil Natural Water. He dodges the monster's attacks and tries to freeze its watery body, but it counters by absorbing the fuel from Sludge Jellyfish's body to increase its freezing point. Crippled by Evil Natural Water, Child Emperor watches in horror as it looms above him.
  • Elsewhere, Flashy Flash and Saitama run in circles, neither having any sense of direction. Saitama suggests finding a monster to guide them to the Monster King, so they break into a bathroom and find a one-eyed monster on a toilet.
  • A narrator explains that the S-Class was created to group together heroes that were consistently capable of defeating Demon-level monsters. They are renowned for their strength - however, they have finally met their match in this battle. Except for one...
  • Tatsumaki is disappointed that the body inside Gyoro Gyoro was not the real one. However, she quickly deduces that the true body is deep underground - a woman named Psykos, who has been secretly pulling the strings of the entire Monster Association. She restrains her with her psychic powers and begins to pull her up.
  • Fubuki, Bang, and Bomb have unfortunately run into Overgrown Rover, who mercilessly attacks them. Their attacks aren't working, so they continue to run away. Eventually Fubuki gives the brothers a psychic boost, and they strike Overgrown Rover simultaneously. However, it still wasn't enough, and the giant canine gets back up again. Bang jokes about telling Rover to sit, and surprisingly, Rover does so and becomes docile.
  • The one-eyed monster takes Saitama and Flashy Flash to a minecart, which they use to get around the base quickly. They go through a mine on the way, where the worker monsters attack them. Saitama tries to take some of their gold with him, but ends up having to drop it if he wants to keep their monster guide.
  • Psykos is furious that Tatsumaki found her so easily. She drinks a potion to increase her own psychic abilities and prepares to face Tatsumaki in combat.
  • After Garou gets hit in the head by Darkshine, he wakes up from his monstrous trance and comes back to reality. He attacks Darkshine again, but is badly beaten by him, even having his ribcage broken. Darkshine tells Garou to give up his "monster play," making Garou bitterly retort that Darkshine is just doing a "hero play." Garou's words secretly ring true with Darkshine, as he never intended to risk his life as a hero and only did it because he could - now that things aren't looking good for him, he feels the fear that he might lose.
  • Psykos gets pulled up through the base, and she pulls Tatsumaki down to meet her in the middle. The two espers begin to face off in a large cavern.
  • King finds himself with Tareo. Fearing it to be another monster, King shouts that he will never trick him - coincidentally, an invisible monster was sneaking up on them behind Tareo and thought he was discovered. The two then go find an elevator.
  • The invisible monster flees, only to be consumed by a strange biomass on the floor in another hallway: Orochi's half-beating heart, still clinging onto life. Orochi's body, splattered all over the base by Saitama's punch, begins absorbing any monsters he can in an attempt to gain his energy back. Orochi notices Psykos and Tatsumaki's battle, and rushes over. Psykos, meanwhile, is at the mercy of Tatsumaki, who asks her about any remaining human hostages. Tatsumaki gets a call for help from Sweet Mask, but she declines. Suddenly, Orochi's biomass fires heat beams at her from all angles, catching Tatsumaki off-guard and allowing Psykos to escape. Orochi then absorbs Psykos, and the two fuse into a giant hybrid creature that overpowers Tatsumaki's psychic abilities.
  • While Saitama, Flashy Flash, and their monster guide run from Orochi's encroaching biomass, King and Tareo flee towards the surface using an elevator. King says over the communicator that he has recovered the second hostage, giving Tatsumaki the cue to to no longer hold back.
  • Darkshine continues to fight a losing battle against Garou. He recalls his past, being a weak and unpopular child but finding peace and confidence in bodybuilding. He is continually outplayed by Garou's moves and eventually succumbs to his fear of death. Garou moves to land the final blow, but sees the scared child within Darkshine and decides to spare him. Suddenly, a psychic shield appears around Darkshine, revealing that Tatsumaki is beginning to make her move. Darkshine tries to save Garou from the collapsing fortress, but is carried away by Tatsumaki's barrier.
  • As the headquarters shakes, Fubuki creates a barrier around herself, Bang, and Bomb, while Tatsumaki's barriers continue to appear around the S-Class heroes and save them from the Monster Association cadres. She doesn't know where Flashy Flash and Zombieman are, so Saitama is forced to defend Flash and Zombieman is left to be crushed. Tatsumaki then uses her psychokinesis to rip the entire underground base upwards, inverting it into a massive tower-like structure above ground. King and Tareo's elevator is almost destroyed by the maneuver, but Genos saves them just in time. Tatsumaki flies out of the uprooted base, and the massive Psykos-Orochi bursts out of the top to face her.
  • News spreads all over the continent of Tatsumaki's battle with Psykorochi. Metal Bat leaves the hospital early to go help, and Tanktop Master and Mumen Rider are both discharged from the hospital normally. The rest of the Tanktopper Army also follows their leader. Elsewhere, the Blizzard Group finally recovers from the fight with Do-S and heads out too. Sour Face, Lin Lin, and Zakos decide to help as well, but Suiryu tells them to let the pros handle it.
  • Meanwhile, Saitama, Flashy Flash, and their monster are trapped in a cave within the base's rubble. The monster tells them her name is Manako, and she finds Flash buried under a large pile of rocks. Saitama and Manako begin to carefully free him rock by rock, so as to not cause the cave to collapse.
  • To be continued... (webcomic canon from here out; subject to change in the manga redraw)
  • Tatsumaki begins to battle against all the Monster Association cadres simultaneously, but is attacked in the head from behind by Psykos, weakening her. Fubuki surfaces from the rubble and battles Psykos on her own, who is revealed to be an old acquaintance of hers. Meanwhile, Genos, Bang, Bomb, and King take on the remaining cadres, managing to kill Fuhrer Ugly and Gums but being defeated by the others.
  • After Fubuki defeats Psykos, Garou appears in front of her, having evolved into a borderline monster. Fubuki is not harmed, but is left in total fear of Garou's might.
  • Black Sperm creates his ultimate form, Golden Sperm, and uses it to defeat Tatsumaki. However, he is in turn defeated by Garou, who arrives to finish the Monster Association off. After disposing of the remaining cadres, Garou begins to beat the S-Class heroes as well. He finds Tareo again and begins taunting the heroes, claiming he is going to kill Tareo if they don't stop him.
  • Evil Natural Water appears behind Garou, ready to strike - however, it is turned into a splash of rain by a punch courtesy of Saitama. Garou attacks Saitama, and is surprised by his resilience. Saitama tells Garou he's going to "kick [his] ass", and a battle breaks out. Garou hits Saitama with all he's got, and is frustrated when he fails to do any real damage. He eventually transforms into a large monster and attacks again, but is defeated in one punch. The wrathful Garou begins ranting to Saitama about the unfairness of the situation, explaining that he wants to become the ultimate evil so that people would focus on hating him instead of hating the weak and ugly of the world. He demands to know Saitama's motivation, and is infuriated when Saitama says it's just a hobby. The other S-Class heroes, who saw the whole altercation, move towards the two and tell Saitama to finish Garou off, claiming he's too dangerous to be left alive. Saitama refuses, since Garou is still a human. Bang moves to finish Garou himself, but finds he can't do it because of his pity for the boy. Sweet Mask is next up, but Tareo stops him, berating the heroes for being unable to save him when Garou was successful. Garou is inspired by Tareo's words and quickly flees, faster than anyone can keep up with. Saitama saw where he went, but doesn't tell anyone.

    Neo Heroes Saga 

Everything after the Monster Association arc so far. Currently only in webcomic format, meaning it is subject to possibly change when the manga redraw catches up.


Psychic Sisters Arc

  • Two days after the battle with the Monster Association, Saitama has been promoted to A-Class Rank 39. However, his home was destroyed in the battle, so he has moved into the Hero Association's new apartment complex built by Metal Knight. Three A-Class heroes - Forte, Butterfly DX, and Chain'n'Toad - go to give their new neighbor a visit to introduce themselves, but end up being intimidated when they find King in Saitama's apartment instead.
  • Pig God and A-Class hero Air return to the battle's rubble to finish off Evil Natural Water, and Saitama also returns to salvage what he can from his apartment's ruins. The shrunken-down Black Sperm and Rover, who survived the attack, find Saitama and follow him home, much to his chagrin.
  • As Saitama approaches the apartment complex, Metal Knight's security system identifies Black Sperm and Rover as monsters and sends robots to kill them. Thinking they're going after him, Saitama defends himself and destroys the robots. Metal Knight sees this display of strength and is astonished.
  • Sweet Mask has developed an obsession with Saitama after seeing his immense power up against Garou. He takes down a newly-formed idol group known as the "Soda Pop Boys", who questioned his capabilities as a hero and an idol.
  • Saitama introduces himself to his A-Class neighbors, but accidentally offends Forte in the process. Forte challenges him to a duel, and Saitama declares that whoever loses has to take care of Black Sperm and Rover. They go outside to begin, but before they can, Fubuki's car shoots towards them and hits Forte, knocking him unconscious. Fubuki demands that Saitama comes with her, and he complies.
  • Fubuki wants Saitama to help her ask Psykos about the dark future she claims to have seen. She takes him to the prison where she is held. However, Tatsumaki arrives as well, wanting to kill Psykos for humiliating her in their battle. She tosses the Blizzard Group aside, so Fubuki takes on Tatsumaki alone while Saitama gets Psykos to safety. Eventually Saitama interrupts the sisters' conflict and challenges Tatsumaki, grabbing her and leaping far away from the prison where she can attack without as much collateral damage. Tatsumaki insults Saitama and continuously thrashes him with her psychic powers, though to no avail. Eventually, Tatsumaki tired to the point of reopening her old wounds, forcing her to end their battle by dropping Saitama into a crevasse in the ground.
  • Back at the prison, Fubuki decides to disband the Blizzard Group, deeming them to be ultimately useless before flying off to meet her sister again.
  • Fubuki finds Tatsumaki and is ready to fight her, but is interrupted by the Blizzard Group arriving to help her as one final thank you for her support. Tatsumaki prepares to attack, but collapses from her wounds again. Saitama emerges from the ground, saying that this could be the Blizzard Group's chance to finally surpass Tatsumaki. However, the Blizzard Group refuses, realizing that defeating Tatsumaki will not make them stronger. Tatsumaki then departs.
  • As Tatsumaki lands in A-City, Saitama appears behind her. Tatsumaki insults him, and he asks her about her intentions as a hero if she hates people so much. In a flashback, it's revealed that Tatsumaki was saved from some sort of prison as a child by Blast. He told her she needed to be strong, because not everyone can save her.

Neo Heroes Introduction Arc

  • A man named Accel, from a vigilante association, is offered a spot in the Hero Association as an S-Class hero, due to the Hero Association's loss of force after the Monster Association raid. Accel declines the offer, saying that the Hero Association is corrupt. A sumo named Raiden is also offered a job in the Hero Association as an S-Class hero, but he too denies the offer, since he has already contracted with a new hero organization called the Neo Heroes.
  • Heroes arrive onto the scene of devastation from Psykos' prison. Fubuki leaves with Psykos in tow and tells the heroes she knows nothing about the rubble from Saitama and Tatsumaki's battle.
  • Saitama returns home to find his neighbors inside. Forte reveals that he saw Saitama's battle with Tatsumaki and realized that he was overwhelmingly more powerful than him.
  • Metal Knight is rebuked by the Hero Association for his security system's failure and his stubborn personality, and the staff complain about Tatsumaki for her reckless fighting.
  • Meanwhile, the S-Class heroes are all deep in thought. Tanktop Master holds his regular Tank Topper Army meeting to find most members have left or been hospitalized; he takes responsibility for not stopping Garou and vows to retrain himself. Flashy Flash thinks about Saitama's strength and that, while he shows promise, he needs a teacher. Superalloy Darkshine trains, but is still overcome with his fear of his next battle. Child Emperor loses trust in the Hero Association and the other heroes, and promises to surpass them. Zombieman meets with Dr. Genus and asks him to remove his limiter. Bang and Atomic Samurai play shogi, and Bang reveals he is resigning from the Hero Association, feeling too old and responsible for Garou's rampage.
  • The Forest Tribe invades Y-City and confront a group of heroes. The Forest King captures the heroes, but Genos quickly defeats him and his subordinates with an upgraded body.
  • Later, Genos talks to Saitama. He feels that he is stagnating within the Hero Association, and is considering transferring to the new organization called the Neo Heroes. He asks whether Saitama will join him, but Saitama refuses. Hence, Genos decides to not join them either. When Saitama and Genos return home, they find that Forte has built a dog house for Rover and Black Sperm.
  • Meanwhile, Atomic Samurai and his disciples are looking for King. They head to a sushi shop for lunch, where they find King eating. Atomic Samurai challenges King to a battle, but he bluffs his way out of it. Atomic Samurai asks him to at least use his sword to cut an apple. King panics, and leaves without even pulling the sword out of its sheath. Atomic Samurai, however, believes King must have displayed a slash so fast that he couldn't see it and so sharp as to cut between the cells of the apple, leaving the halves to rejoin themselves. He then vows to redouble his training.
  • Child Emperor, Metal Bat and Superalloy Darkshine are all shown to have joined the Neo Heroes, with Darkshine having retired to the role of a battle trainer.
  • King, tired of living a lie, tries to reveal his secret to Bang and get him to train him to actually be strong. However, the roar of the King Engine prevents Bang from hearing King's confession. Bang sends King to his brother Bomb, but King's reputation makes Bomb believe King doesn't need any training, and he sends him to another dojo. This process repeats until King ends up at a mountain temple. There, King stumbles upon Garou meditating under a waterfall.

Ninjas Arc

  • Flashy Flash, determined to make Saitama his disciple and unleash his potential, visits Saitama's apartment. Flash bugs Saitama until his persistence is rewarded with a sparring match: if Flash defeats him, Saitama will become his student, but if Saitama can land even one hit in thirty minutes, Flash will have to leave him alone. Saitama easily breaks Flash's sword and is about to land a punch on him, but Genos interrupts to report that several Demon-level monsters have appeared nearby.
  • The Internet Surfers are wreaking havoc, and Speed-'o-Sound Sonic watches from afar. Saitama, Genos, and Flashy Flash arrive on the scene to stop the monsters, and Sonic is surprised to see Saitama with Flash. A stand-off between the heroes, the monsters, and Sonic occurs. In a flash of speed, the Internet Surfers are defeated and Saitama buries Sonic in the concrete.
  • Later, Saitama asks Flashy Flash about his and Sonic's relationship, so Flash explains they were both trained at the inhumane Ninja Village. Once Flash became strong enough, he destroyed the hellish place by murdering all of the staff and his fellow classmates. He poisoned Sonic so as to not have to kill him directly, but he survived.
  • Sonic is resting in his hideout when he is suddenly approached by Gale Wind and Hellfire Flame, alongside a bevy of ninjas calling themselves the Heavenly Ninja Party. They explain that the leader of the Ninja Village has finally awoken after being put into a coma by Blast fifteen years ago, and it is now time to get revenge on both Blast and Flashy Flash.
  • The next day, Sonic challenges Flashy Flash to a duel and the two meet in a forest. Flash is reluctant to fight his former friend, but Sonic is ready to kill him.
  • Meanwhile, Saitama talks to Genos about going to challenge Sonic and taking one of his swords in the process, so he can give it to Flash to make up for the one he broke during their match earlier.
  • Back in the forest, Flash and Sonic's fight is interrupted by the Heavenly Ninja Party arriving all at once. They move to execute Flashy Flash but Sonic stops them, saying he wants to kill Flash himself. The Heavenly Ninja Party doesn't tolerate Sonic and a fight breaks out. Flash joins Sonic's side, and together they defeat all the other ninjas. With his last breaths, Gale Wind reveals that the Ninja Village Leader is nearby and that he is stronger than all of them combined. As Flashy Flash and Sonic move to locate him, they find that Saitama has already defeated the Ninja Village Leader by accident. Sonic reveals to Saitama and Flash that he detests heroes because Blast attacked the Ninja Village back in the day. He then departs.
  • Sweet Mask is holding a meeting with several Hero Association executives. He introduces his latest idea: the Supreme Hero Production Project, starring Saitama.

Supreme Hero Arc

  • While in the woods, Saitama is attacked by a man named Rangor, but easily defeats him. A group of men wearing medieval armor called the Saints then approaches Saitama. The Saints thank him for defeating Rangor, explaining he was one of the nine warriors of the Dragon Alliance. They then tell him the legend of the Cruel Dragon, a powerful dragon that once laid waste to civilization more than eight hundred years ago, and how the group known as the evil Deathbone is trying to reawaken it. Saitama figures it would be faster to reawaken the Cruel Dragon now and just get rid of it, so he helps the Deathbone reawaken the beast. The Cruel Dragon appears, ready to destroy the world, and Saitama defeats it in a single punch as usual.
  • On his way home, Saitama runs into Genos. Together they meet Sweet Mask, who invites Saitama to meet with him tomorrow for tea.
  • Saitama and Sweet Mask meet at a cafe the next day. Sweet Mask orders Saitama a ginger ale without asking what he wants first, annoying him. He then recaps the history of the world to Saitama, which annoys him even more. Finally, he proposes that he wants to help Saitama become the ideal hero and a symbol of justice for the world. Saitama refuses and leaves.
  • Later, Sweet Mask has invited Saitama to a luxury lunch. He explains the Hero Association has given him funding to train Saitama, and begins giving him a lecture. However, Saitama falls asleep. After struggling through the first lesson, Sweet Mask reveals that the next day they will meet to give Saitama a makeover.
  • The next day, Saitama meets with Sweet Mask and his makeover team. Saitama shows little interest in changing his public image, explaining that he's just a hero for fun. Sweet Mask is stunned and calls off the makeover. As the two walk, Sweet Mask explains his dissatisfaction with the S-Class heroes, and that he wants to make a single ideal hero instead. Saitama asks why he doesn't become the hero himself, to which he responds that he is incapable of doing so. He then decides to take Saitama to the carnival for some fun.
  • At the carnival, Sweet Mask and Saitama ride a Ferris wheel. Sweet Mask tells Saitama his real name is Beaut. He then tells him his backstory, explaining that he used to be ugly but became beautiful after fighting monsters as a rookie hero. After this, he was sucked into pop culture and became an idol. He then shares his fear that he himself is a monster, and that killing other monsters is the only way he can stay human. He wants Saitama to carry on his legacy by becoming the ideal hero. However, Saitama refuses, not wanting to live Sweet Mask's complicated lifestyle. Realizing it's getting late and he promised to spar with Genos, Saitama pries the door of the Ferris wheel car open and leaps out. Sweet Mask decides he can't give up on him yet, and that he'll try again later.
  • A monster, Pesky Clown, begins attacking people at the carnival. Sweet Mask arrives to defend the civilians and tells them to evacuate. However, the civilians are enamored by Sweet Mask and stay to take photos of him. Pesky Clown begins to feed off of their attention to get stronger. Sweet Mask is thrashed by the monster, and realizes he cannot hold back anymore. He is forced to let his true form surface in order to win.
  • Saitama runs into Genos, who was on his way to assist Sweet Mask. Together, they see a news broadcast of Sweet Mask's fight with Pesky Clown. His horrendous true appearance has been revealed, and the public isn't taking it well.
  • Sweet Mask kills Pesky Clown, but the crowd is horrified by his ugliness and hardly recognize him. He tries to talk to them, but finds he can't reverse his transformation anymore. The hero Blue Fire arrives too late to help, and hesitates to attack the ugly Sweet Mask. Saitama arrives next, aware of who he is and impressed by his strength. Saitama goads Sweet Mask into grabbing him, then leaps away with him in order to escape the public.
  • News quickly spreads of Sweet Mask's transformation into a monster. The world is outraged that Sweet Mask deceived them all, and some even call for his death. The Hero Association's publicity is hurting more than ever, not to mention they just lost one of their main advisers and highest-ranked heroes. A scout team is sent to find Sweet Mask and bring him back to the Hero Association for trial.
  • The Hero Association scouts are also searching for Suicho, a legendary martial artist who could replace Bang. At his home they discover he passed away a year ago, but meet his granddaughter Suiko who is also a martial artist. She decides to join the Hero Association herself.
  • Meanwhile, several Neo Heroes discuss Sweet Mask's reveal. A woman hero named Webigaza expresses her frustration that she could not defeat him first. They discuss the progress of the Neo Heroes, and talk about someone named Blue who has gone to hunt Sweet Mask.
  • At the Hero Association apartments, Forte, Butterfly DX, and Chain'n'Toad reveal to each other that they have all been scouted by the Neo Heroes and are considering joining. Black Sperm ponders the situation, realizing that maybe the Monster Association did accomplish something. Saitama arrives home and the others ask him if he has been scouted yet; as if on cue, a group of heroes appears behind him. They are the Hero Name Victims Association, a group of heroes assigned mean or unfair hero names, and they think Caped Baldy should join them as a cadre. Saitama is shocked by this invitation, but his roommates are unimpressed.
  • Suiko arrives at the Hero Association base and takes her placement test, scoring an A-Class ranking. The staff compare her to her brother, Suiryu, who is revealed to have been recruited by the Neo Heroes and holds a prestigious position as a Neo Leader.
  • After sparring, Genos tries to build up the courage to ask about Sweet Mask, noticing Saitama has been troubled recently. In reality, Saitama is still thinking about the Hero Name Victims Association.
  • Suiryu is introduced to the other Neo Leaders, including the vigilante Accel, the gangster Ryumon, the rich Zaedats, the web idol Webigaza, the cult leader Infelsinave, the sumo Raiden, the genius A, and the former S-Class heroes: Child Emperor, Superalloy Darkshine, and Metal Bat. Two candidates for Neo Leaders also enter the room, Mars Leo and Solitude, and begin demanding to be made Neo Leaders. Mars Leo shows off his fighting skills, and Suiryu easily toys with him. Solitude, a cyborg, scans the others in the room, discovering that Webigaza's body is 71% artificial, and that several other Neo Hero staff named Erimin and Destro are also mostly artificial. The final Neo Leader is a mysterious young man named Blue.
  • Blue has a short flashback to earlier, when he was following Saitama and Sweet Mask. However, Genos got in his way and stopped his pursuit. Blue then reveals to the others that he is the creator of the Neo Heroes, the highest-ranked Neo Leader, and the son of the legendary Blast.
  • A sudden wave of monster attacks sweeps the continent. Hero Association heroes such as Great Philosopher and Crescent Eyebroll try to fight the many monsters off, but are shown up when the Neo Heroes arrive to take care of it for them. The Neo Heroes are much more coordinated in battle, and are equipped with high-tech battle suits that give them an edge over the Hero Association. The Neo Leaders each show their great combat and leadership skills as well, although Zaedats and Infelsinave are both wounded in their respective battles. However, Child Emperor is more bothered by the thought that the battle suits may be supplied by Metal Knight. Additionally, Metal Bat sees Erimin and Destro taking away the wounded Zaedats and Infelsinave, confusing him.
  • Meanwhile, the Hero Association executives are distraught by how quickly the Neo Heroes are outpacing them. Sitch bemoans their lack of leadership with the losses of Sweet Mask and Child Emperor, and says they need more strong voices. As if on cue, the executives notice a commotion outside and open the window, only to be met with the protesting Hero Name Victims Association led by Saitama.
  • The protest is interrupted by the sudden announcement of five Dragon-level threats in the proximity of the Hero Association complex, and an evacuation order is made. While the S-Class heroes are deployed, Sitch makes an order to contact the Neo Heroes to form an alliance.
  • Tanktop Master takes on the repulsive Heavy Smoker, Tatsumaki takes on the swarm of cockroaches known as Aggregation, and Genos takes on the mysterious Extended Family of Darkness. The Neo Heroes also take on the other Dragon-level threats, with Blue fighting Eel Dragon. Additionally, a confident Suiko takes on the Machine God Mirror, who is seeking out King.
  • To be continued...

    Original Video Animations 

Slice-of-life stories that are half-length episodes (except for "Road to Hero").


Road to Hero

  • This story takes place in the past, during Saitama's training, when he still had hair. As he fights the monsters in Z-City, he meets a draper who is the last clothes shop remaining in the city due to gang interference. Saitama discovers that the gang members all live in the same apartment complex as him, so he defeats them all and collects the bounties placed on their heads. He encounters the boss last, who transforms into the monster Fish of Darkness. Saitama beats him up and calls the police, but his landlady appears and complains that he just got rid of all her tenants. She then kicks him out. When Saitama returns to the draper and explains what happened, the draper gives Saitama his final masterpiece as thanks: a superhero suit.
  • In the present, Genos marvels at hearing this story from Saitama. He asks Saitama if he wants a new suit, but Saitama states that his suit is now a memento and too important to throw away.

The Shadow That Snuck Up Too Close

  • In the time before Genos officially moved in with Saitama, he closely watched and stalked him. He hoped that he could find the secret of Saitama's power by watching him all day. He watches him buy French fries at a restaurant, and steals the longest one to examine, much to Saitama's chagrin.
  • Later, Saitama finds himself faced with the villain Men's Esthetician Man. The criminal recalls that Saitama has fought him before, leading Saitama to assume he's the one who stole his fry earlier. Saitama defeats Men's Esthetician Man and scolds him for stealing his food. Meanwhile, Genos finds inconclusive results after analyzing the fry.

The Pupil Who Is An Extremely Poor Talker

  • A criminal named Don Pacino is holding a hostage, and steals keys to Saitama's apartment from Genos. He tries to use them to extort information about Saitama out of Genos. Genos tells Don Pacino and his thugs about how Saitama told him not to lose the keys while at a public bath. After the bath, they split up to hit the sales at two different stores at once for dinner that night. However, Genos is distracted by a monster attack, and by the time he defeats it, the sale has ended.
  • Don Pacino is annoyed by Genos' long and unimportant story, demanding to know how Genos knows the hostage, who is a man from the Typhoon family. After Genos tells another irrelevant story, Don Pacino realizes that Genos is likely not related to the Typhoons after all. The gangsters shoot at Genos, so he quickly defeats them all and rescues the hostage.
  • Genos heads home, where he tells Saitama that he failed to reach the sale and also lost his keys. Saitama forgives him, and they have dinner with another meat Genos brought home instead.

The Ninja Who Is Too Complicated

  • Ever since his loss against Saitama, Sonic has been having nightmares about the incident. He goes to a forest and begins to retrain himself, meeting a man named Frank who is hunting a bear. He also saves a baby wild boar from a snake, who he names Ino. After Sonic leaves Ino with Frank and heads home, the bear returns to attack Frank. Saitama shows up, looking for some food, and kills the bear, taking it home to eat with Genos. After Frank wakes up, he and Ino look with amazement at the forest cleared by Saitama's punch.

Bang, Who Is Too Overbearing

  • After the giant meteor was destroyed, Bang begins to spy on Saitama and Genos to gauge their abilities. He then invites Saitama and Genos to his dojo under the pretense of giving them free meat.
  • At the dojo, Bang challenges Saitama to a variety of games, including card-based memory games and rock-paper-scissors. Bang wins almost every time. During one rock-paper-scissors match, an enraged Saitama nearly crushes Bang with a hammer, who is then forced to admit that Saitama is truly powerful. Noticing Saitama was excited by the games, Bang still offers to let them join the dojo, but Saitama refuses.

The Sisters Who Have Too Many Things Happening

  • After the Seafolk invasion, the Blizzard Group are disappointed to find their feats are not being recognized in the news. Fubuki takes this the hardest, and decides to go on a train ride to Z-City to clear her thoughts. Genos happens to also be on the same train on his way home with groceries. During their ride, Genos receives a call that an ex-hero-turned serial bomber has planted a bomb on the train that will detonate once it reaches the station. Fubuki evacuates the panicked civilians off the train while enlisting the help of a new hero, Swim, to find the bomb, while Genos tries to slow down the train from the outside. Luckily, Tatsumaki appears and successfully detonates the train with no casualties.
  • On the walk back home, Fubuki runs into Swim again, who expresses gratitude for her help and that wishes to join the Blizzard Group once she reaches B-Class. Meanwhile, Genos visits Dr. Kuseno to ask for psychic abilities, but the doctor tells him it's impossible. The short ends with Saitama wondering why Genos is so late.

The Murder Case That Is Too Impossible

  • After the attack of the Dark Matter Thieves, all the heroes who were at the event are invited to a luxury hot spring resort, including Saitama, Genos, and many others. However, that night Zombieman is found murdered on the floor. Child Emperor states that an S-Class hero is the culprit.
  • The heroes' visit up until now is shown in a flashback. After the heroes enjoyed the hot spring, Sitch gathered all the heroes to a celebration. Several heroes became drunk after drinking sake.
  • The scene returns to the murder. Child Emperor gathers some of the evidence, discovering that the weapon which stabbed Zombieman is Atomic Samurai's sword. He then interrogates a few other heroes before Tatsumaki bursts in to restrain everyone for being suspects. Zombieman wakes up, and reveals that Atomic Samurai's katana was floating in a green light. Child Emperor then interrogates Tatsumaki, predicting that she was drunk off sake that night. Sitch then asks Child Emperor to look at some surveillance camera footage. It shows that Tatsumaki was indeed the culprit, due to being heavily intoxicated.
  • When walking home, Genos believes that Tatsumaki stabbing Zombieman was Saitama's fault, but doesn't tell him. It's revealed that Saitama told Tatsumaki she was a child and shouldn't drink adult sake, so she drank too much that night in order to prove herself.

Saitama and the Mediocre Ability Users

  • A trio of villains known as the Mediocre Ability Users meets in a public restroom to plot their first bank heist. When Saitama enters, they believe he is part of the team too (they were expecting a fourth person whom they met online) and tell him their plans. He reveals that he is a hero, so they attack him with their supernatural powers - however, they aren't very effective at all. They are embarrassed by their failure, and Saitama cheers them up.
  • The group is then attacked by an underground monster, Dirt Earthworm. Saitama saves them from it, but is unable to catch it before it burrows away. Genos arrives, having heard about the monster, only to see Saitama with the Mediocre Ability Users. They lie, saying they wanted to learn from Saitama to be heroes too. Hearing this, Saitama subjects them to his insane workout routine, putting them through hell.
  • Dirt Earthworm watches from afar, plotting his revenge. However, a sparrow plucks him up and eats him.

Going Fishing With Middle-Aged Men

  • Atomic Samurai and Bang go out fishing on a lake. Nearby, a monster called Giant Salamander has been pursued to the lake by Chain'n'toad and Mumen Rider. Giant Salamander lured them there to fight in the water, where he easily overpowers them both, swallowing Chain'n'toad whole and thrashing Mumen Rider. The two are then saved by Atomic Samurai, who quickly kills the monster. Atomic Samurai and Bang talk about how many young heroes these days don't live to the essence of a "hero", and Bang states the Hero Association and their ranking system is partly to blame. He suggests that he knows an upcoming hero who may help to change this, but decides to let Atomic Samurai wait and see who he's talking about. (It's Saitama, in case you couldn't guess).

Genos and Memory Loss

  • Saitama pulls too hard opening a bag of chips, and the chips explode everywhere. In his haste to save them, he accidentally hits Genos in the head. This causes Genos to lose his memory. He begins mimicking a child on the TV, and after reading some of Saitama's manga, develops the mannerisms of a rude delinquent. The doorbell rings, and Genos accidentally blasts Saitama with his incinerator cannons.
  • Fubuki enters the apartment and hears about the situation. Realizing the opportunity, she calls the Blizzard Group to come recruit Genos while he is in this highly-suggestible state. Genos' sensors then pick up an energy signature and he leaves. The Blizzard Group tries to recruit Genos while he's out, but he flees in fear.
  • A confused Genos next runs into a monster called the Lord of the Mountains. Some civilians call Genos a hero, so the Lord of the Mountains challenges him. The amnesiac Genos fails to realize he can fight, so he runs to find Fubuki. He is attacked by the Lord of the Mountains and fails to fight back, until he is hit hard enough to rejuvenate his memory. Genos then makes quick work of the Lord of the Mountains.
  • That evening, Genos apologizes profusely to Saitama by giving him meat made of the Lord of the Mountains.

Games and Rivals

  • Saitama brings Genos to a tournament for the fighting video game "Wild Animals" due to the grand prize being five million yen. Several locations all over the country are being used as venues, and the battles take place online. Saitama plans to win using virtual reality controls, naturally being super-powerful, but his fighting techniques don't translate well and he quickly loses to a koala avatar in the first round.
  • Garou has also entered the tournament, easily defeating his opponents with his martial arts, and Suiryu does the same in another venue. Eventually Garou and Suiryu face off online, and they have a heated battle. However, the speed of Garou's attacks causes the equipment to glitch, freezing his avatar and allowing Suiryu to win.
  • The final match is between Suiryu and the same koala who defeated Saitama earlier. The koala beats Suiryu in seconds, shocking him. The koala's player goes to receive their prize, and it's revealed to be King in disguise.

Puri-Puri Prisoner and the Jailbreaking Prisoners

  • To be added upon release.

Zombieman Murder Case Two

  • To be added upon release.

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