Fanfic / Peculiar Parasitic Phenomenon

A Visitor to Morioh

Peculiar Parasitic Phenomenon is a JoJo's Bizarre Adventure and Baoh crossover by SpiraPhantom.

In 2000, a meteor falling into the ocean unearthes a teenager who ends up washed up on the coast of Morioh. That teenager is Ikuro Hashizawa, the carrier of the Baoh parasite, and he quickly befriends the quirky stand users of Morioh. However, his survival is soon revealed to the Doress Group, the organization who implanted Baoh into him and tried to hunt down eight years prior.

Josuke Higashikata, naturally, is happy to be of assistance to his new friend, while also finally properly meeting his (maybe) alien friend Mikitaka's family, sorting out his relationships and generally living his crazy and bizarre life.

Peculiar Parasitic Phenomenon, shortened as 3P, takes place between Diamond is Unbreakable and Golden Wind, mostly compliant to canon events. There are many references to events, characters and lore details from other parts of JoJo's Bizarre Adventure as well as spin-off works Crazy Diamond's Demonic Heartbreak and Thus Spoke Kishibe Rohan.

Peculiar Parasitic Phenomenon is a completed work that can be read on AO3.

All spoilers up to Chapter 12, including Chapter 12, are unmarked.

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This work provides examples of:

• 11th-Hour Superpower: In Chapter 27, while being pummeled by Yoma in the middle of his Villainous Breakdown, Lateralus accidentally has the stand arrow pierce its shoulder, the following moment revealing something else to be under the armor Yoma breaks away. Chapter 28 reveals it to be Lateralus Requiem.
  • In Chapter 29 Crazy Diamond takes the arrow for itself, evolving into a requiem.
• Abled in the Adaptation: With two notable examples.
  • "Johnny", aka Johngalli A. has good enough vision for his eyes to retain their color and to be allowed to drive and serve as a chauffeur. Justified as Peculiar Parasitic Phenomenon takes place over ten years before Stone Ocean, even before Johngalli eases his symptoms by eating healing food at Tonio's.
  • Masaji Dorokoma was never in accident that left him as a shriveled burned quadruple amputee, and he appears as a handsome Doress employee.
• Adaptational Explanation: Johnny becoming a sniper came from learning from Hol Horse how to use a gun after he gained interest in Hol Horse's stand, Emperor. Hol Horse disappearing after he was sent to kill the Joestars motivated Johnny to become a sniper in revenge.
• Adaptational Heroism:
  • Rudol von Stroheim is implied to have denounced the Final Solution of the Nazi Party, which was the reason he was sent to fight Stalingrad as a way to dispose of him.
  • Yotsuyu Yagiyama, a sociopathic rock human, appears as a regular and well-respected Morioh architect in his short appearance in Chapter 12. Other rock humans, such as Tooru, Wu Tomoki and Aisho Dainenjiyama also appear as harmless staff of the Tredecim Clinic in Chapter 21.
  • Satoru Akefu isn't the identity of Wonder of U, but an actual human, the grandfather of Tooru Akefu who opened the Tredecim Clinic to help the locals of Morioh.
• Adaptational Karma:
  • In Baoh, the Doress organization don't face many consequences by the end of the story, sans losing all their research on Baoh and their Sanriku Coast facility. Here, it's revealed that Ikuro actually decimated a good part of their supernatural and military branch, to the point the latter had to be disbanded.
  • In Chapter 4, it's explained that Boingo's stand, Thoth doesn't like people using it to harm or kill others, and doing so leads to them suffering a karmic backlash. This explains why Hol Horse, who wanted to kill the Stardust Crusaders for DIO, ends up being shot by his own bullets in Stardust Crusaders, while the misanthropic cop Karaiya from JoJo's Bizarre Adventure: Crazy Diamond's Demonic Heartbreak was essentially turned into a makeshift hot air balloon by Josuke.
• Adaptational Villainy: Downplayed. Rai Mamezuku appears as one of the Doress employees and fights Josuke and Ikuro, however, that particular fight was a case of Poor Communication Kills and generally Rai is a well-intentioned, if brusque, medic of the office.
• Adaptational Superpower Change: Masaji Dorokoma's stand in this work doesn't turn people into zombies homing onto a target, but rather creates Fog of War that only allows his enemies to only hear and see people when they're close to them.
• Adaptation Name Change: The Secret Dress Organization, also spelled as Doress Organization, is named the Doress Group here.
  • Steely Dan has his real name revealed here as Daniel Steel.
  • Mannish Boy's name is revealed to be Manishu Brando.
• Adaptation Origin Connection:
  • Mikitaka Hazekura is revealed as half-alien and half-Pillar Man, his father being Kars who was stranded on Mikitaka's home planet following his defeat.
  • Kars was the inspiration of the Baoh project of Doress, with Ikuro showing off abilities similar to those displayed by Pillar Men in general and Kars himself in particular.
• Adaptation Species Change:
  • Mikitaka is a Non-Human Humanoid Hybrid by the virtue of being half-alien and half-Pillar Man, rather than being Ambiguously Human as he was in Diamond is Unbreakable.
  • All the rock humans are shown as humans, including Tooru, Wu Tomoki, Aisho Dainenjiyama and Yotsuyu Yagiyama.
• Art Evolution: The Battle Tendency-inspired look of the illustrations evolves to include more details, shades and effects. Compare the original◊ cover art with the updated◊ version made three months into the work's release.
• Ascended Extra: In Baoh, the three masked men, investors of Doress, only appear for a brief scene where Dr. Kasuminome explains how the Baoh parasite works. Here, one of them is promoted to Big Bad.
  • Downplayed. In Diamond is Unbreakable Mikitaka's mother is a one-off minor character who serves to muddle the waters on his situation. In 3P, Makoto Hazekura is a recurring tertiary character with a defined personality.
• Aw, Look! They Really Do Love Each Other: Rohan and Boingo have several cases of this. Most notably Rohan comforting Boingo in Chapter 18 when Rosetta Stoned renders Tohth incomprehensible and Boingo returning the favor in Chapter 24 when Rohan experiences severe anxiety because of Yoma's attack.
  • Rohan also has that towards Okuyasu in Chapter 24, reacting with horror upon seeing Tohth's prediction of Okuyasu's death and his first instinct attempting to prevent it despite his crippling fear of Yoma.
  • Diamant and Carrey are shown to be antagonistic towards Steel, as shown in the latter's flashback and in Chapter 19 that has him and Diamant argue with each other. However, Diamant and Carrey cover for him in Chapter 12, implicitly saving him from termination by Kasuminome's orders, and in Chapter 27, despite being cold on the phone, Diamant is quick to respond when Koichi tells him Steel got hurt while protecting him from Yoma.
• Bad Boss: Dr. Kasuminome who tries to off Steel when he suffers a panic attack from hearing Jotaro on intercom as to not leave the heroes a chance to apprehend him and get any information on Doress from him.
• Battle of Wits: As is proper for any JoJo work. It's notable that while Baoh is close to being an Invincible Hero in his source material, certain stands make extremely vulnerable, as Kars lampshades in Chapter 6.
• Berserker Tears: Kars spills those in Chapter 10 when turning against the Joestars to avenge Esidisi, Wamuu and Santana.
• Bittersweet Ending: While heroes defeat Maynard and prevent Doress from securing Baoh, even getting the office in Morioh to perform a Heel–Face Turn as a whole, there are many loose ends and dark notes to end on: Johngalli and Dixie escape uncaught, with the former swearing vengeance on the Joestars that eventually will come true and original Yuya still ceased to exist even if his Alternate Self survived Maynard's assault. Jotaro, feeling the pressure of DIO's surviving agents and Doress agents loyal to Maynard, who will all want to have revenge upon the Joestars, begins to seclude himself from the family to protect them. Then again, on the bright side, Morioh is still safe at the end of the day and it's implied that Kars will eventually be able to remove Baoh from Ikuro before it kills him.
• Broad Strokes: Baoh elements are adapted in such manner, including elements from both the original manga and from the OVA based on it.
  • Crazy Diamond's Demonic Heartbreak and Thus Spoke Kishibe Rohan are also loosely adapted into the narrative, alluding to the events of those stories.
• Call-Forward:
  • When interrogated by Morioh stand users, Ada Carrey tells them of stand users Diamant encountered in Europe to explain how rare a peaceful stand user community is. Those include a mafia kid who used zippers to dismember people, as well as a robber who could summon meteors and a serial killer who used boiling water for his killings.
  • It's mentioned a few times that Doress attempt to observe a convergence of stand users in Italy, but are obstructed by a criminal organization called Passione.
• Canon Welding: Both of Araki's works are put into a shared universe, with Baoh taking place between Stardust Crusaders and Diamond is Unbreakable.
• Cassandra Truth: Given that Mikitaka is an actual alien in this work, every instance of him being disbelieved about his origins is this. One particular example, however, is his adoptive mother, Makoto Hazekura, who never noticed his alien oddities and shut down, whether accidentally or on purpose, all of his attempts to explain himself.
• Cats Are Mean: There are two cat users in the story and both of them aren't the nicest people.
  • Tama, following Diamond Is Unbreakable, is content as Okuyasu's pet, but he still shows himself to be somewhat of a Sadist, playing with his food (mice), and when Rosetta Stoned translates him to be understood by humans, he shows himself to be a Smug Snake who, nonetheless, loves his servant (Okuyasu) and his friends.
  • Oskar von Bismarck is a Smug Snake Old Soldier who also shows himself to be a Sadist in how he attempts to kill Ikuro. However, he's less animalistic and more personally malevolent, working for Maynard because of his Undying Loyalty to the man.
• Central Theme: Regrets. Numerous characters, especially former antagonists like Kars, are shown to regret their past actions, ruminate on things that could have been and reflect on their past selves. Some accept their losses and try to move on with their lives (like Ikuro and Joseph), some get second chances to make amends (like Kars). The Big Bad calls himself "a man with no regrets" and uses his stand ability to ensure that. In the end he's defeated when Diamond Requiem enforces all the cancelled moments of regret on him, killing him near-instantly, after he finally accepts one regret in his life.
• Combo Platter Powers: Erich Diamant-Berger's Third Eye can shift between two forms. The monocle form can reveal the name of a person and their stand or a comparable ability, and the humanoid form, aside from being extremely strong, has a devastating railgun in its belly.
• Composite Character: Josuke's savior is Kosaku Kawajiri.
• Cruel and Unusual Death: Dr. Kasuminome is trapped within Undertow that fills her body with water to the point is starts to burst, and then pulls her underground, presumably ripping her into pieces with the water pressure.
  • In Chapter 27, while ultimately reversed by Lateralus, Dixie initially suffered this when attacked by Yoma's supercharged Hamon Pulse, melting and partially evaporating upon contact.
• Darker and Edgier: In relation to Diamond Is Unbreakable. While the kill count of named characters is kept low, the villainous Doress Group are more dangerous and have more far-reaching plans compared to Kira. Karaiya's appearance signals how much of a danger they can be when left to their own devices, causing what basically amounts to a terrorist attack, and other villains, such as Dr. Kasuminome and Maynard get more grisly in their dealings with heroes.
• Dead All Along: Dr. Sendai Kasuminome, the Big Bad of Baoh. Ikuro assumes Sendai Kasuminome to be in charge of Doress in Morioh, having survived the destruction of the facility in Sanriku Coast. He is, however, dead, and the operations are handled by his daughter, Miyagi.
• Disabled in the Adaptation: In this work, Josuke's final confrontation against Kira in Diamond is Unbreakable left his hearing severely damaged. Without his hearing aid, which got lost in chaos in numerous occassions, Josuke is left near-deaf.
• Disc-One Final Boss: Dr. Miyagi Kasuminome, the head of the ESP department of Doress office in Morioh. While she's the mind behind Doress operations in the first half of the story, she's eventually killed and her boss, Maynard K. Jones, takes over, having arrived from USA.
• The Dreaded:
  • Dr. Kasuminome is feared by all employees of Doress, known for being an unforgiving boss who dissects stand users alive to gain data for stand research. His stand also allows him to control a person with no restrictions, something he takes full advantage of.
  • Yoma Hashimoto. Initially only feared by Rohan, others learn to fear him when he makes contact with Josuke and Yuya.
• Ensemble Cast: While Josuke and Ikuro are the protagonists with the most focus on them, Okuyasu, Mikitaka, Jotaro and Koichi also have a significant part of the story written from their perspective, not to mention many more characters who have less frequent, but multiple POV segment such as Kars, Rohan and Yuya or those with A Day in the Limelight who have singular POV segment to them like Yukako or Joseph.
• Even Evil Has Loved Ones:
  • Maynard, aside from being shown to love his late parents, really likes Johnny and Dixie, dining with them, enjoying their company off-duty and even attempting to pull a Heroic Sacrifice in Chapter 27 to save them from Yoma when he overpowers Lateralus and denies them escape.
  • This serves as Johnny's Freudian Excuse. He was abandoned by his birth parents in Cairo for having bad vision, so naturally he came to see DIO as his savior after the latter adopted him. While in DIO's care, Johnny became close to a few of DIO's minions like Hol Horse and the Oingo Boingo brothers. DIO's death and Hol Horse's disappearance caused Johnny to develop a grudge against the Joestars, leading to him becoming a sniper so he can enact vengeance upon Jotaro for taking away the only people who cared for him.
• Evil Counterpart: The Doress Group serve as one to the Speedwagon Foundation, dealing with superhuman and supernatural, but instead of protecting the world they sell some of their research to the military and in general plan to elevate humanity to superhuman levels whether the others want it or not.
• Fan Convention: Pink Dark Rhapsody 2000, a major setpiece in the first half of the story, is a convention arranged in Morioh by Rohan and Boingo to settle their rivalry and see who the better and the most beloved artist is between them.
• Foil:
  • Dr. Kasuminome (both Sendai and Miyagi) is this to Kars. Both are Unfettered Mad Scientists who want to push their species beyond their natural limits. However, Kars has people he cares about and tries to avenge after completing his goal, while Kasuminome shows full disregard for everyone. The one exception is Sendai Kasuminome being concerned about Baoh potentially causing The End of the World as We Know It, but that's Pragmatic Villainy.
  • Oskar von Bismarck is a foil to Tama. Both are cat stand users with a mean streak. However, while Tama is younger and more simple and animalistic about his desires, very content in his life as Okuyasu's pet and taking a level in kindness after being separated from Kira and his Killer Queen, Oskar is an Old Soldier who's more personally malicious.
• Foreshadowing: Dr. Kasuminome catches Yoma's superspeed projectile and very quickly gets back up after being punched by Star Platinum. Later on it's revealed that she developed boosters based on Baoh DNA which enable superhuman abilities. Gold-Two also took those.
• Full-Name Basis: When Baoh's in charge, the narration refers to everyone by their full names. Notably, when Ikuro overpowers Baoh in Chapter 27, the narration, even when he's transformed, refers to people regularly.
• Generation Xerox: Between his appearance, his stand's appearance and ability, the nationality and Shared Family Quirks, Diamant is quite obviously Stroheim's grandson.
• Hazy-Feel Turn: In Chapter 22 Ada Carrey states definitely that she doesn't want to ever deal with the Morioh stand users again. It doesn't exactly mean she allies with them, but they completely pull out of the fights the heroes have with Maynard and the Doress agents by his side.
• Head Crushing: The way Yoma kills Oingo in Chapter 24.
• Heel–Face Turn:
  • Kars, having experienced memory loss from his prolonged exile into space, reinvents himself as a kinder person with a better appreciation of other people. He freaks out after recovering his memories, but, in the end, joins heroes against Dr. Kasuminome.
  • Daniel Steel, after almost getting killed by Kasuminome and being fired from Doress, decides to turn a new page and settles down in Morioh as a kebab seller.
  • Erich Diamant-Berger is implied to go through one after confronting Ikuro in Chapter 17 and learning that the JoJo that his grandfather, Rudol von Stroheim, was indebted to was Joseph Joestar. This sticks in Chapter 22, where he uses Third Eye to reveal Johngalli A. to Jotaro and thus point him in the direction of Gold-Two.
  • Oskar von Bismarck, after his offscreen defeat by Mikitaka, resigns himself to the half-alien's company. Maynard's narration at the end of the chapter shows that Oskar, while still giving it his all, predicted that he and Maynard could actually be defeated and accepted the possibility.
• Heroic Sacrifice: Oingo performs one, shapeshifting into Okuyasu to save him from being killed by Yoma, as was ensured by Tohth's prophecy.
• He Was Right There All Along: In Chapter 12, Josuke, Ikuro and Okuyasu have to face against Oskar von Bismarck who doesn't meet them, rather using Rosetta Stoned to converse with them. It turned out that Oskar was the cat who's been watching their group ever since they arrived into the harbor.
• Hoist by His Own Petard: Dr. Kasuminome pulled up all the big guns there were to kill Josuke. However, there were so many moving pieces, i.e. mind-controlled Santana and treacherous Yoma, that they served to cancel each other, and when Rosetta Stoned was thrown out, Kasuminome was forced to approach in person, which eventually proved to be her undoing.
• Knight of Cerebus: The appearance of Forty Six & 2 at the Pink Dark Rhapsody 2000 marks the point where a light-hearted story becomes a confrontation, with the stand user basically committing domestic terrorism, killing at least forty nine people and almost killing Koichi while trying to hunt down Ikuro and get his revenge on Josuke.
  • Dr. Kasuminome's appearances notably up the dangers to the heroes, showing off the man's ruthlessness and causing significant injuries to heroes whenever he takes the matters personally.
  • Yoma's appearances ramp up the intensity, with him being a Soft-Spoken Sadist who flips between affable and murderous at a drop of the hat, threatening to kill the heroes in gruesome fashion. Even more so in Chapter 24 where he goes through severe Body Horror and becomes a Hero Killer.
• Know When to Fold Them:
  • Yoma regularly steps back when faced with a Story-Breaker Power that outdoes his own Grudge.
  • Ada Carrey, following Chapter 18 and even more so Chapter 22 has the Morioh office of Doress stick to the office and not disturb the local stand users because they're all hopelessly outmatched against most of them.
  • Oskar von Bismarck eventually performs his Heel–Face Turn after being defeated by Mikitaka and seeing Maynard be defeated by other stand users.
• Laser-Guided Karma:
  • Chapter 4 reveals that Boingo's stand, Thoth, doesn't like people using it to harm or kill others, and doing so leads to a negative karmic backlash. This explains why Hol Horse, who wanted to kill the Stardust Crusaders for DIO, ends up being shot by his own bullets in Stardust Crusaders, while the misanthropic cop Karaiya from JoJo's Bizarre Adventure: Crazy Diamond's Demonic Heartbreak was essentially turned into a makeshift hot air balloon by Josuke.
  • In Chapter 26, Alessi gets smacked around by "DIO" (really a disguised Oingo) after the former belittled and harassed a young Johngalli. It's noted that Vanilla Ice would have been offended by Oingo's imitation of DIO if it weren't for the fact that DIO himself found it highly amusing.
• LGBT Awakening: Both Josuke and Okuyasu get hit with this in Chapter 3 when they witness Mikitaka's father, Kars, perform a song in his Battle Tendency getup. Even more so when they witness Mikitaka, a friend they geniunely like, in a similar outfit.
• Mistreatment-Induced Betrayal: Oskar is furious after Kasuminome put out the order to terminate him after his failure against Morioh stand users and attacks the doctor at her weakest during her own fight against them, killing her in a brutal fashion.
• Mood Whiplash: Chapter 10 starts with Josuke and Joseph visiting the Super Fly Tower with Mikitaka there and Ikuro training in the field next to it. However, he trains there under Kars's guidance, and once Kars learns Joseph's name he has memories of Battle Tendency return to him, going mad and transforming into an Eldritch Abomination to take down Joseph and Josuke to avenge Esidisi, Wamuu and Santana, only to be defeated and restrained in the tower.
• Musical Theme Naming: All brand-new stands related to the Doress Group are named after tool songs. The only exception is Manishu, as his D13 Trouble No More is named after a Muddy Waters song.
• Named In The Adaptation:
  • Dr. Kasuminome's first name in the fanfic is shown to be Sendai. Likewise, Colonel Dordo is mentioned by his first name, Arancini, in Chapter 19.
  • The unnamed masked investors of Doress are named the Golds. Gold-Two in particular is named Maynard K. Jones.
  • Mikitaka's mother in Diamond is Unbreakable was never named, here her name is Makoto Hazekura. Likewise, Koichi's parents are named B.T. Hirose and Fuyoko Hirose.
• Nice Job Breaking It, Hero: Yuya sending Yoma on the run with his Highway Star forces him to push himself past his limits and get his breath just right to harness hamon breathing that makes him an even greater threat than he had been before.
• No-Sell: Yoma's Grudge allows him to ignore most stand abilities, and the further it evolves, the easier it becomes, to the point he can even break through Lateralus's Time Rewind Mechanic.
  • Then, the Grudge itself falls victim to the trope by Lateralus Requiem that, once it locks onto target, dismisses their ability.
  • It's shown that Diamant, as a cyborg, can easily ignore Highway Star if it hits his mechanical arm because it can only drain nutrients from organic beings. During Yuya's visit to the past, Dordo, implied to be a full-body cyborg, effectively No Sells the stand entirely.
• Not-So-Harmless Villain: Most of the time Ada Carrey and her Rosetta Stoned serve as support for other Doress agents or as Sinister Surveillance. In Chapter 18, however, when heroes attempt to pursue her, she uses Rosetta Stoned's Curse of Babel ability to wreck the heroes' cohesion and comes close to escaping if not for Rohan's quick wits.
• Offscreen Moment of Awesome: Mikitaka's fight against Oskar von Bismarck in Chapter 27 that ends in the former's victory.
• Polyamory: On two separate occasions.
  • Yuya and his fangirls, Akemi, Yoshie and Reiko.
  • Yuya's example inspires Mikitaka to go for both Josuke and Okuyasu, especially given the two of them had feelings for each other as well as for Mikitaka.
• Paranoia Fuel: In-universe, Doress agents looks like everyone else, which serves as a point of paranoia for Josuke as the story goes on. Even worse, in Chapter 19 he's Properly Paranoid as Gold-Two and Johnny have been spying on him and his friends in cafe, and Dixie not only does that, but also follows them to the cinema and to their homes.
  • Dr. Kasuminome early on, in Chapter 6, perfectly recites Koichi's personal data, from his family to his address and his height and weight, unnerving him. It's implied that Doress's database of stand users contains such details on most of Morioh stand users.
• Person of Mass Destruction: Forty Six & 2 allows Karaiya to be this, casually putting a third of the Pink Dark Rhapsody 2000 territory on fire with twisting his ability to be explosive. In Chapter 27 Baoh, having taken control from Ikuro, uses the exact same ability against Maynard and Josuke.
  • Koichi recognizes his own potential to be this because of how Echoes and its ACTs work. A giant wind sound graffiti of ACT2 merely pushed the air balloon falling onto the Morioh Grand Hotel, but Koichi reasons that a giant explosion sound graffiti could level it and the neighboring territory. ACT3 is also described to behave unpredictably, but with great effect, which is why Koichi limits himself to ACT3 Freeze, since it's an ability he knows well.
• Predecessor Villain: A recurring character in several flashbacks and to be regularly mentioned is Arancini Dordo, the head of the Doress military division who was killed during the events of Baoh. He precedes Johnny as the Doress Cold Sniper and Diamant as their resident Cyborg, encompassing many ideas of Doress. He briefly appears in the flesh in Chapter 28 when Yuya time travels into the events of Baoh, where Present!Maynard and Dordo implicitly work together.
  • Dr. Sendai Kasuminome turns out to be this by the virtue of being Dead All Along. His daughter is actually the one to be the Disc-One Final Boss of the story, while Kasuminome only appears in a few flashbacks.
  • DIO and Yoshikage Kira are this, with their influence being regularly mentioned in shaping the lives of the Morioh stand users and inspiring Doress projects. Both of them are long dead, however, and at most, DIO only makes an appearance in several flashbacks.
  • Oddly enough, despite being a major heroic character in this story, Kars, as he was in Battle Tendency and prior, is also this, as he, as the Ultimate Being, is credited by Doress to be the inspirator of their Baoh project. Not to mention that he's also recognized by characters to be the one to be indirectly responsible for DIO impacting everyone's life the way he did because of become a vampire via Kars's stone mask.
• Redeeming Replacement: Erich Diamant-Berger is one to Rudol von Stroheim, his grandfather, a Nazi officer. Diamant is more idealistic and benevolent than his grandfather and despite trying to kill Josuke and his friends on one occasion, he does turn around after the battle.
• Red Herring: The Tredecim Clinic, while sponsored by Doress, doesn't have a connection to Gold-Two and Satoru Akefu is just a well-intended therapist who also assists those in the know of stands.
• Related in the Adaptation: a significant part of the story, with Mikitaka being the son of Kars, who was stranded on his home planet following the events of Battle Tendency.
  • In Chapter 21 Mannish Boy is revealed to be Manishu Brando, one of DIO's sons.
• Ret-Gone: What Lateralus Requiem can induce on its victims by traveling into the past. Yoma becomes its first victim, the present serial killer version of him being erased from existence, instead being replaced by a more harmless Alternate Self when Maynard and Lateralus cripple Past!Yoma.
  • Yuya ends up a more definitive version of this, being a Paradox Person and erased from existence the moment Requiem uses its ability. His Alternate Self never becomes a stand user and is basically rendered a vegetable before Kars's intervention.
• Samus Is a Girl: Dr. Kasuminome isn't Sendai Kasuminome, as Ikuro expects, but his daughter, Miyagi Kasuminome.
• Shared Family Quirks: Diamant's exclamations mirror his grandfather, Rudol von Stroheim, and the man's infallible belief in the German engineering.
  Diamant: "You utter fool! Doress engineering reigns supreme in this world!"
  • Manishu, in his first direction confrontation with heroes in the guise of Satoru Akefu, has a moment where he repeatedly states "Useless, useless, useless", mirroring his father, Dio Brando, as well as his elder brother Giorno.
• Ret-Gone: What Lateralus Requiem induces onto Yoma and Yuya.
• Show Within a Show:
  • Following from Diamond is Unbreakable is Rohan Kishibe's Pink Dark Boy, a horror action manga series.
  • Rohan's rival, Boingo, is the author of Rhapsody of Brothers, a comic series that works on surreal humor.
  • Steel Ball Run appears in-universe as another comic series showcased at Pink Dark Rhapsody 2000, written by a man named Toshiyuki. Toshiyuki is the real name of Hirohiko Araki.
• Story-Breaker Power: There are numerous active on both sides. The most notable being the following.
  • Jotaro's Star Platinum can, as usual, stop time. The Doress Group make a point of avoiding a confrontation with him because of that, and the only unaffiliated antagonist got smashed the moment Jotaro arrived.
  • Ultimate Being Kars is nigh-undefeatable between his Voluntary Shapeshifting and Complete Immortality. When he's able to enter the fray in The Washington Package Arrives, the only Implacable Man left standing on the enemy side is dispatched effortlessly.
  • Dr. Kasuminome's Useful Idiot. Once he has visual contact with the target they fall under his control, with no ifs. She can perform Psychic Induced Suicide on people and when taking control of Ultimate Being Kars she's only stopped when Mikitaka and Santana confront the user.
  • Maynard's Lateralus. Not only does it almost match Star Platinum in brute strength and speed, its ability is in line with canonical time-related story-breakers of JoJo. It can turn back time with seemingly few limits, allowing Maynard to redo anything that went wrong for him, including the minute details of battle. It can also interfere with Star Platinum's Time Stop.
• Switching P.O.V.: A notable feature of the story. Only Chapter 1 has a singular POV-character (Mikitaka), while all other chapters change between at least two characters. In a case of Serial Escalation, later parts have up to six characters' point-of-view in a single chapter.
• Synchronization: Discussed in Chapter 2 by Josuke, Okuyasu and Koichi that some stands don't adhere to the rule that all stands transfer their injuries onto their users. The metaphysical Useful Idiot in future chapters, in fact, cannot be harmed to transfer its damage onto the user.
• Title Drop: In Chapter 18, when Diamant discusses Baoh with DIO in a flashback that takes place around Stardust Crusaders he calls the project a "peculiar parasitic phenomenon" compared to the stand phenomenon.
• Took a Level in Badass: Kazuki Karaiya. In Crazy Diamond's Demonic Heartbreak he doesn't have any innate abilities and uses borrowed stands. Here, Karaiya is not only a stand user in his own right, but won a Superpower Lottery with Forty Six & 2 that allows him an Adaptive Ability to compare with Ikuro and Kars's.
  • In Thus Spoke Kishibe Rohan Yoma Hashimoto is an avatar of Hermes who trained his body to reach physical perfection, which is nothing to sneezes at. Here, he manages to learn Hamon breathing which allows him to be several times more destructive.
• Translator Microbes: the main ability of Rosetta Stoned that Ada Carrey's been using since the events of Baoh to allow the Golds to converse freely with staff in various offices.
  • Curse of Babel: Just as it can break language barrier, Rosetta Stoned can build them, as shown in Chapter 18. It can even scramble text-related stand powers, such as Tohth and Heaven's Door.
• Villainous Breakdown: The major antagonists each have a variation when they lose to the heroes.
  • Karaiya flips when Ikuro wraps his hairs around the man and conducts his Baoh Break Dark Thunder Phenomenon though him.
  • In Chapter 15 Miyagi pleads and curses out Oskar when he kills her for his dismissal.
  • Yoma Hashimoto has a minor Freak Out in Chapter 25 when he's malformed by The Hand. [[In Chapter 27, however, he has a proper breakdown, completely abandoning his Faux Affably Evil persona and turning into a raging maniac when attacking Maynard, until the latter's stand is accidentally pierced with a stand arrow.]]
  • Maynard starts having a breakdown the moment Yuya manages to interrupt his time-rewinding ability, turning into a panicking mess. He composes himself, but cries in terror by the end of Chapter 27, when teamwork of Ikuro, Josuke and Yuya leaves him completely open to Ikuro's Rapid-Fire Fisticuffs.
• Villains Out Shopping: Maynard is shown vacationing in Morioh in his appearances along with Johnny, with his visiting Pink Dark Rhapsody 2000, perusing the gym in Morioh Grand Hotel and visiting cafe, always not too far from heroes. Chapter 19 reveals that he chooses these recreational activities on purpose to observe the heroes in various circumstances to learn what makes them tick.
• Vitriolic Best Buds: Rohan and Boingo by the time Pink Dark Rhapsody 2000 concludes.
• Wham Episode:
  • The ending of Chapter 21 reveals that the Mannish Boy who was sent as one of DIO's assassins during the events of Stardust Crusaders, is actualy one of his sons, introducing Jotaro to the idea that DIO may have had offsprings.
  Manishu: "Manishu Brando. It is, against all odds, a pleasure to meet you properly, Jotaro Kujo."
  • Chapter 24 has Yoma return into the spotlight after several chapters of inaction and has him kill Oingo, being the first heroic casualty in the story. He's then cleaved through by The Hand but survives due to being the champion of Hermes, gaining the ability to nullify others' stands nigh-immediately and escaping the ensuing battle as a crazed malformed being.
  • The August 15th (Wednesday) chapters are one wham episode after another. First, Okuyasu arrives to work only to find Tonio and Virgina brutally murdered by malformed Yoma sent by Maynard. Then, Ikuro learns about his tragic past with his family and friends murdered by Doress to ensure no one's looking for him. When he's in his Heroic BSoD, Johngalli kills him with a Boom, Headshot! and it's only reversed because Yuya, accompanying him, proves to be the Man of Kryptonite to Maynard, messing up his Time Rewind Mechanic. The second chapter reveals that Your Days Are Numbered is in effect for Ikuro, as the Baoh parasite is to procreate in odd eighty days and kill him, also causing an apocalyptic event if left unchecked. The Baoh parasite, in fact, begins to act on its own, controlling Ikuro's body, especially when he's put out of commission trying to kill himself against Undertow. The end of third chapter has Maynard and his assistants recuperate after their defeat, when Yoma, now Ax-Crazy, break in and attempt to kill them. He manages to negate Maynard's time rewind ability and almost kills him when he accidentally makes Lateralus pierce its shoulder with the stand arrow Maynard had.
• When It All Began: Several events are referenced as instigators of the events of the story, including Josuke being saved by an unknown delinquent. That particular event is mixed with Where It All Began when Maynard uses Time Travel to attempt to kill Past!Josuke in that moment.
• Wolfpack Boss: The Doress employees of Level Zero in Chapter 22. They're implied to be Non-Action Guys with the exception of "Bandages", but their sheer number as well as the variety in their stand abilities pose a threat to Josuke and Ikuro.
• You Have Failed Me: What Dr. Kasuminome tries to pull on Steel and on Oskar after they fail against Morioh stand users. However, both cases fail.

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