Characters / The Caligula Effect Overdose Exclusive Characters

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The Go Home Club

Ayana Amamoto

Voiced by Maria Naganawa

Weapon: Stun Gun
Trauma: Androphobia
Birthday: November 11th

A quick-witted and strong-willed second-year student, who can be heard talking about being much more in need of returning to the real world than the protagonist in the beginning. She joins the Go Home Club during the Hot Springs section.

Ayana appears overall calm and sweet, which she easily displays whenever around other women. But she reacts in horror and even with violence when a man is near her, let alone approaches her. Her Catharsis Effect awakens without Aria's help, when Ayana realizes that Stork has been peeping on her and the others in the female bathhouse.

Her Character Episode has her reluctantly agree to the protagonist's suggestion to work on her issues regarding men. They begin by having her try to have conversations with the male members of the club without having her become violent or terrified. Baby steps are already too much to hope for right off the bat, though.

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• Anguished Declaration of Love: The bad ending has her exclaim through sobs that she loved the female protagonist.
• Blood Knight: Relishes in beating male opponents, especially Stork.
• Does Not Like Men: Men cannot even be in her vicinity without her shaking with fear and disgust, and even hatred, leading to her often shoving them out of her way before she runs away screaming. She became an idol singer to get over her dislike of men, but things only got worse when Kouki Tadokoro assaulted her friend during a meet 'n' greet. Ayana was so distraught over this display of violence that she couldn't even stand to look at her father and brother anymore. The male protagonist isn't exempt from this, either, though she does try to work at least being able to tolerate his nearby presence.
• Dual Boss: Fought alongside Mifue on the Musician route.
• Establishing Character Moment: She escapes from some digiheads and then runs head-first into the protagonist. If the protagonist is male, Ayana will attempt to apologize before realizing that he and Shogo are right in front of her, then shoves them away and flees while screaming. If the protagonist is female, Ayana will apologize for bumping into her, then Shogo tries to check up on Ayana and she screams for him to get away from her and then shoving him away and fleeing.
• Flower Motifs: Japanese Snake Gourd and Carnation. They adorn her stake, and the hem of her dress has a snake gourd depicted on it. The snake gourd is part of the nightshade family, meaning it blooms in the night and shuts itself up in the early morning, which could indicate her getting along well with women, but freezing up around men. The red carnation she wears represent love and admiration, perhaps indicating her feelings for the female protagonist and maybe even Himari.
• Gamer Chick: The player can ask Ayana in a WIRE conversation which genre of videogames is her favorite, with her answer depending on the protagonist's gender. A female protagonist will have her answer role-playing games, while a male protagonist will have her answer punching games.
• Gay Option: For the female protagonist, with her being the most explicit option when compared to Suzuna, who ends up seeing the protagonist more as emotional support.
• Hikkikomori: After Himari was assaulted by Tadokoro and she eventually committed suicide, Ayana practically locked herself into her room and refused to leave the house for years.
• If It's You, It's Okay: A non-romantic example with the male protagonist, who is the only male member in the Go-Home Club she feels comfortable being around to the point she can stand being a yard near him without screaming or violently attacking him.
• I'll Kill You!: Like the rest of the Go-Home Club in the Downer Ending, she really doesn't take the protagonist revealing themselves as Lucid well. This is especially the case for the male protagonist since, unlike in the case of the female protagonist where Ayana is sobbing whilst giving her an Anguished Declaration of Love, she's so pissed that his betrayal has her decide to kill every man she comes across.
• It's All My Fault
  • Blames herself when she learns that her father had collapsed and become ill sometime after Ayana got taken to Mobius. She believes that her treatment of him, and having him worry over her suffering from Astral Syndrome, was what caused his health to deteriorate. She wants to return to reality, so she can apologize to him.
  • Going through the Musician arc and exiling Eiji from the Go Home Club leads to Ayana blaming herself for not realizing what a horrible person he was from the beginning. Especially since she had met him in the real world, as he had been Kouki Tadokoro's lawyer, but failed to recognize Eiji.
• Kick Chick: Some of her attack skills involve her drop-kicking the enemy.
• Lipstick Lesbian: A very feminine and girly type of woman that strongly hates men, and is romantically interested in women. She even develops a huge crush on the female protagonist.
• Lovely Angels: With Mifue. The two of them are the most enthusiastic about taking down enemies during battle and at max level, they're tied for having the highest attack stat in the Go-Home club at 8,610. Their pre-battle and post-battle dialogue with each other really ties into this.
  Pre-battle

  Ayana: Mifue-chan, let’s pummel them all!
  Mifue: Yeah, let’s do it Ayana-senpai!!
  Post-battle

  Ayana: Did you see it! The bolt of punishment!!
  Mifue: Did you taste it! The iron hammer of fury!!
• Older Than They Look: She's 27 in the real world, while only 17 in Mobius.
• One-Gender Race: Admits in her Character Episode that, as part of μ wanting to make her happy, Mobius (in her eyes at least) was inhabited by only women when she first came there. She snapped out of it when her friend told her that her father collapsed.
• Precision F-Strike: The English version of the bad ending has her call the protagonist out on pulling 'this shit'.
• Sequential Boss: The bad ending has her fought alongside Mifue and Suzuna as the second round.
• Ship Tease: Gets a ton with the female protagonist. It stops being teasing and gets flat-out mentioned when finishing her Character Episode, with Ayana mentioning that people of the same sex can get married nowadays, and then bluntly asking the protagonist what her type is.
• Shock and Awe: Her Catharsis Effect weapon is a stun gun in the form of a shield, and her horns crackle with electricity. Her Overdose attack has her slam the shield into the ground, electrocuting the opponents.
• Theme Naming: Her attack skills are named after various species of slugs. Kotaro lampshades this oddity when they get into a fight at one point.
• Tomboy and Girly Girl: The girly girl to the female protagonist's tomboy.
• Tranquil Fury: Reacts this way when Stork attempts to justify his being a peeping tom to her, with her calling him the worst kind of guy, and the type that causes harm to women everywhere. When the two meet the next time, she's much more vocal before beating the daylights out of him.
• "Where Are They Now?" Epilogue: She is shown at the train station, implying that she's on her way to see her father. She is also slowly working on being okay around men.

Eiji Biwasaka

Voiced by Kenji Akabane

Weapon: Whip
Trauma: Psychopathy
Birthday: March 15th

A third-year student that is very handsome, friendly, intelligent, and an all-round gentlemen that leads to some people, including himself, calling him Mr Perfect. He's already aware that Mobius isn't real, and decides to tag along when the Go Home Club goes after Stork.

Eiji comes across as a mature and intelligent man that won't let little things bother him, though he has another side to himself that shows him to be anything but calm. His Catharsis Effect awakens in the Sun Temple section when he's infuriated over being stuck in Mobius and the Go Home Club's actions being too slow to return them all to the real world already. With his Catharsis Effect awake, he shows a sadistic side to his personality.

His Character Episode has him looking for a man called Kouki Tadokoro, who Eiji knows is in Mobius. He claims to have been personally wronged by Tadokoro in the past, and wanting to get even with him. There is more to this than the protagonist realizes, as they soon discover. Eiji's Character Episode is unique in that the events and its conclusion alter slightly, depending on the player having taken up or rejected Thorn's offer to join the Ostinato Musicians.

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• Amoral Attorney: He claims that he's the CEO of an IT company, but during his Character Episode he later reveals that he is actually a successful lawyer. As a matter of fact, he comes from a very long line of them. Unfortunately, Eiji was as corrupt as you could get and embezzled funds from Kuchinashi's family. When his father and Kuchinashi's father discovered this, he killed them both.
• Bad People Abuse Animals: As a child he often harmed animals, as many young psychopaths do.
• Benevolent Boss: He repeatedly states he is very worried about his subordinates in the real world, and are the main reason he wants to return to Mobius since he's concerned about their safety and the possibility that they could also be in Mobius. In actuality, he has no such subordinates because he's a lawyer, and he is far from benevolent.
• Berserk Button: If he gets confined in a small space, Eiji becomes uncharacteristically violent; case in point, when the Go-Home Club was locked in a cage, he repeatedly kicked at the bars and screamed for Kuchinashi and Mu to release him. He admits it's because he was kidnapped as a child by Tadokoro and was locked into a room with no food or water for three days. This is not the case as reaction actually comes from having been imprisoned and stuck in a jail cell in the real world for the past five years.
• Bitch in Sheep's Clothing: Turns out that his calm and gentle facade is nothing more than that. He keeps his mask up well, until his Catharsis Effect awakens, and he feels free to show his sadistic and violent side during battles, much to the shock of the Go-Home Club.
• Classy Cane: His Catharsis Effect weapon is a cane that can turn into a whip.
• Consummate Liar: His early relationship with the protagonist, and the Go-Home Club to a lesser degree, is built on lies. For starters, he isn't the president of a company. He's actually a lawyer and the reason why Tadokoro was charged with temporary insanity. He's also lying about his relationship with Kuchinashi, as he shortly recognizes her after she tells him Mu looked into his heart and sees her reaction to the fire he creates during a spur of anger.
• Dual Boss
  • Fought alongside Kotono on the Musician route.
  • Also ends up fighting alongside Kensuke later on, if Kotaro died during the Shadow Knife arc.
• Duel Boss: The Musician route has the protagonist learn the true extent of Eiji's actions and just how twisted he is, leading to them confronting him. Eiji will fight the protagonist in an attempt to kill him in an effort to silence them.
• Evil Cannot Comprehend Good: He genuinely believed that his father would help him cover up his embezzlement.
• Expy: He is The Caligula Effect's answer to Tohru Adachi. Both are members of law enforcement, with Adachi being a cop and Eiji being on the other end of the spectrum on account of being a lawyer. Both are seemingly nice people and happen to strike a friendship with the protagonist, only for them to actually be a Bitch in Sheep's Clothing. They even silence people that could potentially put them at risk, with Adachi killing Saki by throwing her into the TV World and Eiji murdering his father and Kuchinashi's family when they discovered his embezzlement.
• Faux Affably Evil: Once his Catharsis Effect awakens, his polite and calm demeanor just makes him come across as worse when he shows his true colors. He will lie through his teeth and do anything to get his way, only to gleefully backstab them the next second. He bargains with μ and Kuchinashi to be released from the cage, then uses his Catharsis Effect to cause a fire, beat Kuchinashi to the ground, and start kicking her while she's down.
• The Fighting Narcissist: He shamelessly proclaims he's perfect at one point, and he clearly holds a high view of himself while in battle.
• Flower Motifs: Iberis and Epimedium. They adorn his stake, and an iberis flower is printed onto his vest. Iberis flowers represent sweetness and indifference, referring to his facade of being calm in all situations, while the epimedium represents strength. Two very contradicting flowers, fitting for Eiji's different personalities.
• Foil: To Lucid. Eiji is a Token Evil Teammate who pushes for the Go-Home Club to consider destroying Mobius, or at the very least Mu, as he sees it as the fastest way to return to the real world instead of trying to convince Mu. He's also a Bitch in Sheep's Clothing who joined the Go-Home Club based on deceit and lies. In contrast, Lucid is a Token Good Teammate who is trying to understand the viewpoint of people who cannot honestly live normally in the real world while also helping the Musicians overcome their traumas, with the added benefit that they claim they will eventually return to the real world.
• The Friend Nobody Likes: He's initially welcomed into the Go Home Club for his sharp wit and gentleman persona, but after his Catharsis Effect awakens and Eiji displays his more sadistic side, several of the members become more wary of him and mostly tolerate his presence. If the player goes the Musician route and completes Eiji's Character Episode, the whole club learns of his true personality and how he killed people to get his way, and they are more than happy to kick him out. And none of them shed a tear when they learn he ended up dead shortly after.
• Glasgow Grin: His Catharsis Effects gives him a constant one. It takes a very sinister appearance when he reveals his true colors while attempting to kill the protagonist.
• Guide Dang It!: If the player wants to "properly" complete Eiji's Character Episode and unlock his ultimate skill, they have to take Thorn's offer and play the Musician route. Not doing so may let the player do all of his Character Episodes, but his Trauma won't be revealed and the ultimate skill is unobtainable. Quite confusing to first-time players that may have decided to focus solely on the Go-Home Club Route.
• He Knows Too Much
  • His Character Episode in the Musician route. Eiji was caught embezzling money from his clients, with one of them preparing to take him to court over the matter. Since Eiji couldn't let that happen, he blackmailed Tadokoro into setting the man's house on fire, threatening to have his acquittance in the Uzume Underground matter overruled.
  • Another instance of his Character Episode in the Musician route. The protagonist ends up learning about Eiji's actions and goes to confront him. Eiji can't have the protagonist ruin his image and livelihood by revealing his hand in the murder of Kuchinashi's family, and tries to kill the protagonist.
• I'll Kill You!: Does this twice in the Forbidden Musician Route. Like the rest of the Go-Home Club in the Downer Ending, he is absolutely livid when the protagonist reveals themselves to be Lucid, though unlike the rest of the club members he's more pissed about the fact that his ticket out of Mobius turns on him at the very last second. At the end of his Character Episode, he flat-out says he will kill the protagonist when they confront him about the true nature behind his relationship with Tadokoro and Kuchinashi.
• It's All About Me: Turns out to be a huge narcissist and actually despises the fact that he has to work with the Go Home Club, considering most of them are highschool age or even younger. Everything he has done was for his own benefit, and he considers his reasons and matters to be more important.
• Karma Houdini: In the Go-Home Club Route and the Forbidden Musician Route, though in the latter case this is only if his Character Episode is not completed. In both cases, he returns to the real world and is released from prison after having spent his whole sentence comatose, all the while sporting a smug smile since no one knows that he managed to get away with murdering his father and Kuchinashi's family.
• Kick the Dog: The Sun Temple section has him and the Go Home Club being locked into a cage, where Eiji ends up bargaining with μ — if she releases him and the others, he won't burn down the place with his Catharsis Effect. She agrees and lets them go, only for Eiji to proceed to literally kick Kuchinashi onto the ground. The Go Home Club is not happy about this.
• Killed Offscreen: If the protagonist completes Eiji's Character Episode in the Forbidden Musician Route. When Shadow Knife falls off the roof of the Landmark Tower, he smashes through a glass ceiling and through the branches of a Christmas tree that slows his fall. The shards of the glass ceiling fall on Eiji, fatally wounding him in the process. Doubles as Laser-Guided Karma.
• Maniac Tongue: Has a unique character sprite that has Eiji's Catharsis Effect visible on him, where he sticks out his tongue and it's shown to be long, black, and oddly spiked. It only appears twice. Once when he reveals his true nature to the protagonist and declares he'll murder them during his Forbidden Musician route Character Episode, and once for his final pre-battle line towards Kuchinashi in Grand Guignol.
• Mechanically Unusual Fighter: He is the only party member who requires the prompt to dive into a character's heart twice, a mechanic that no other character has.
• My Greatest Failure: He states this as much to the protagonist after witnessing his hostile actions towards Tadokoro. He was the man's lawyer and the reason he walked, but Tadokoro's victim committed suicide due to her injuries shortly after the fact. He's blamed himself ever since and wants to correct this mistake by ensuring Tadokoro pays. In reality, Eiji never gave a damn about Himari and was more concerned about the fact that Tadokoro might spill his guts about the true nature behind the Yoshini family's arson and wants to silence him before he has the chance.
• Never Trust a Trailer: The Japanese pre-release trailers focused on showing Eiji's gentleman-ly and calm side, leaving his actual personality in the game to be quite a surprise to players. Averted in the English Trailer, where his sadistic nature is shown almost immediately.
• Older Than They Look: He's the oldest at age 34 in reality, while he's 18 in Mobius. This makes him older than even Shogo, who is 30.
• Playing with Fire: His Catharsis Effect includes him having control over fire. He's also a Pyromaniac as he really seems to enjoy the prospect of setting people on fire.
• Redemption Rejection: After being defeated by the protagonist in his Character Episode on the Musician route, Aria tells Eiji to give up and return with them to the Go Home Club, so he can return to reality and pay for his crimes. Eiji pretty much tells Aria to get bent and calls the club a bunch of idiots for believing in friendship and being goody two-shoes, before devolving into a rant and fleeing.
• Red Herring: Kuchinashi believes Eiji to be the one that killed her family. She is only half-right in that Eiji was responsible, but he had Tadokoro do the dirty work for him.
• Sanity Has Advantages: Arrogant as befitting a psychopath, he wasn't nearly as clever as he thought he was, and his sloppy covering up of his embezzlement was easily unraveled by Kuchinashi's father, an accountant.
• Sequential Boss: The Downer Ending has him fought alongside Naruko and Kotono in the first round, if Kotaro has died during the Musician route.
• Self-Made Orphan: Eiji used to work for his father prior to his success. About a year before Eiji's embezzlement was publically revealed, his father fell down a flight of stairs in his home and died from the resulting injuries, with Eiji inheriting the old man's law office. It's not outright said that Eiji was at fault for this, the timing was oddly coincidental, and Naruko outright suspects that Eiji's father had discovered his son's embezzlement scheme.
• Slasher Smile
  • Sports one when his Catharsis Effect awakens initially. He also couples this with his maniac tongue sprite just before the final battle against Kuchinashi.
  • The epilogue also shows Eiji sporting one when he leaves the prison he had been in for the past few years, though this is only shown if the player has played the game in a way to keep Eiji alive.
• Theme Naming: His attack skills are all named after torture or execution implements. It's a major hint behind his otherwise unsavory personality.
• Token Evil Teammate: He constantly pushes the Go-Home Club to destroy Mobius or kill μ, since it's the quickest way to return to the real world instead of just trying to convince μ while trying to find her and fend off the Musicians that stand between them and her.
• Trailers Always Spoil: Contrary to the Japanese pre-release trailers, the English pre-release trailers gladly revealed that Eiji was a lot more sadistic than he initially lets on.
• Villainous Friendship: His Character Episode suggests that he did consider the protagonist a friend and someone he could trust. Though this doesn't stop him from attempting to kill the protagonist in one route of his Character Episode.
• Weapon Specialization: His main fighting style involves using the whip his cane can turn into.
• "Where Are They Now?" Epilogue: Eiji is shown leaving the prison he has been sitting off his punishment for embezzling funds in, and showing off a creepy grin as he turns around. If you didn't complete his character episode, that is.

μ and the Ostinato Musicians

Stork

Voiced by Shugo Nakamura

I'll always be watching you

Weapon: Whip
Trauma: Scopophilia
Birthday: December 29th
Theme Song: Love Scope by DECO*27

A good-natured Musician that tends to talk in a gentlemanly way, though he also has a very goofy side to himself. He tends to be friendly towards the other Musicians, even if they may not return the attitude. His real name is Masahiro Sagan.

Stork is known for his love songs, and they tend to be very popular with the women in Mobius, though the Go Home Club consider them rather 'girly' things to write about. His area are the Miyabi Hot Springs, which are a popular tourist attraction for relaxation. Stork has the ability to 'mimic everything' and turn into various objects, which allows him to easily peep on anyone he wishes to.

His Character Episodes have him take Lucid under his wing to teach him the fine art of peeping tomism, though he admits that Lucid's invisible body already gives him an enviable advantage. He tells Lucid stories about his history of peeping, which ends up painting a disturbing picture of his past.

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• Abusive Parents: His mother was a devout Christian, who refused to have her son learn anything about sexuality. She even forbid him from attending swimming classes in school or letting him see people kissing on TV, often hitting him with the justifcation of 'exorcising his demons'.
• Affably Evil: Definitely a pervert and Musician, he's not a bad person himself. He can be endearing at times and does his best to befriend people, though his behavior can lead others to reject him and write him off as a weirdo.
• Alternate Character Reading: The kanji that make up his name (目 大洋) are usually not read as 'Sagan Masahiro'. There is no single kanji that is normally read as 'Sagan' and the name 'Masahiro' is generally written with different kanji. His kanji are generally read as 'Me Taiyou'.
• Animal Motifs: Storks. Aside from his Musician name, he also wears a plague doctor mask with a long beak, and wears gray-black feathers like a cape. His color scheme seems to be a mixture of the common White Stork, with the dark feather tips and red stripes representing the legs, and the Jabiru Stork, with his mask's beak being black and the red bowtie representing the red throat.
• Brainwashed and Crazy
  • It's heavily implied that Stork brainwashed himself prior to the game, so he wouldn't feel guilty over having proof of Tadokoro's arson and not doing anything about it. His breakdown when the Go Home Club first defeats him and Ayana threatens to drag him to the police in reality seems to be him realizing what he's done and feeling guilty for the first time.
  • Like a few other Musicians, he ended up brainwashed by Thorn to stop the Go Home Club in Grand Guignol.
• But Not Too Foreign: Possible that he's half-Japanese, given his light hair and English phrases.
• Butt-Monkey: Despite being friendly towards the other Musicians, they don't treat him with the same attitude. And the Go Home Club has absolutely no respect for him, considering him an obnoxious joke.
• Chivalrous Pervert: Stork actually respects women and makes it clear that while he peeps on them, he'll be damned if he ever were to try to do anything to them. He looks at them, but never goes beyond that.
• Children Are Innocent: Used to be a very innocent and pure boy, until he learned where babies actually came from. His classmates then egged him on by showing him pictures of gravure idols and more, leading to a slippery slope that he found himself on.
• Classy Cane: His weapon is a cane that can turn into a whip.
• Delivery Stork: Honestly believed this to be the case until he was 16 years old, which was when his classmates mocked his naivity and told him the truth.
• Expressive Mask: The red eyes of his mask change shape to match his expression beneath it.
• Expy: Stork bares an interesting resemblance to the backup dancers in Siouxsie and the Banshees' 1988 music video, "Peek-a-Boo."
• Gratuitous English
  • Stork was written in English in the Japanese version.
  • He uses a lot of English words in his speech. Stork frequently shouts 'Wow' or 'Hallelujah', while also referring to himself as a 'pure boy' and similar. It could indicate his being only half-Japanese.
• Hidden Depths: Stork is actually a police officer in the real world, with strong morals and a sense of justice.
• Irony: He's an upstanding police officer that goes after his peeping tomery in his spare time.
• Leitmotif: Love Scope. The song has very stalker-like lyrics that involve watching someone against their will and even without their knowledge, wanting to know everything about their target. As mentioned in-universe, the song's less about stalking and more about being a peeping tom, as that is what Stork actually is.
• My Greatest Failure: His inability to stop the fire that killed Kuchinashi's family. Since he had no fire fighting training, the only thing he managed to do was alert neighbors to the fire, but it wasn't fast enough to save them.
• Nosebleed: Gets them a lot. His mask even has a dedicated hole for them.
• Oh, Crap!: His reaction when running into Ayana, considering she beat him up on their first confrontation.
• Older Than They Look: Actually 27 years olds, but he's 17 in Mobius.
• The Peeping Tom: Keeps watching women without their consent or knowledge. But he tries to argue that it's similar to watching porn or reading dirty magazines, though this doesn't fly with Ayana at all.
• Pet the Dog: Has a soft spot for Kuchinashi. Likely spawned because he feels guilty over not having been able to do anything more about the fire that killed her family.
• Power Trio: With Lucid and Sweet-P. He and Sweet-P are the first partymembers to join Lucid, and the two of them interact with the Musician the most. Partway through Sweet-P's Character Episodes, Stork joins her being trained by Lucid, though he's mostly an observer.
• Punny Name: Stork being pronounced in Japanese sounds similar to the word 'stalk' from stalking.
• Recurring Boss: Fought three times in his dungeon before actually defeating him at the Hot Springs. He gets fought one final time in Grand Guignol before confronting Thorn.
• Trauma Button
  • Ayana claims that she'll find him in reality and drag him to the police, which causes Stork to freak out and begs her to not do that. That's because he's a well-known police officer in his neighborhood and his reputation and livelihood would be over if his being a peeping tom came out.
  • His Character Episodes have μ accidentally push it when she says that she'll upgrade Stork's mimicry, to the point that nobody would ever be able to detect him or know what he had seen. It ends up reminding him that he is withholding crucial, photographic evidence that Tadokoro committed the arsony that killed Kuchinashi's family, and could be the thing to convict Eiji for his role in that.
• Voluntary Shapeshifting: Has the ability to transform into inanimate objects like benches, vending machines, statues, and lanterns, which he frequently uses to make his peeping tomery easy.
• Weapon Specialization: Uses his cane like a whip for fighting.
• "Where Are They Now?" Epilogue: Stork is shown in an interrogation room, apparently showing the photograph that incriminates Tadokoro of arson, and then bowing to the interrogator and begging for forgiveness.

Kuchinashi

Voiced by Himika Akaneya

I had a dream of laughing together with you just a few years ago...

Weapon: Stun Gun
Trauma: Aphonia
Birthday: May 16th
Theme Song: Onboro by Pinocchio-P

A generally quite and listless-looking Musician. She uses a special mechanism in her mask to speak instead of her natural voice, and rarely expresses feelings of excitement. The other Musicians seem to like her, but Kuchinashi tends to keep to herself.

Her real name is Kurumi Yumino.

Her area is the Sun Temple in the Sea Paraiso amusement park, an attraction that invites people to traverse through it by completing quizzes and adventuring up to the top. She seems to know Eiji Biwasaka in real life and appears to hold quite a grudge towards him.

Her Character Episodes focus on her past, where she admits to Lucid that her family died in a fire some time ago. She's fully aware that the family she has in Mobius is fake, but prefers it this way. She also strives to find the culprit behind the fire that killed her family, and has the set idea that Eiji Biwasaka is the one at fault.

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• Determinator: Refuses to let the Go Home Club return to reality, even if it means she'll have to die in the process. She especially won't let Eiji return, believing him to be the one that murdered her family.
• Distracted from Death: Shortly after being sent to an orphanage, she received word that her sister, comatose since the house fire, had had a drastic turn in her condition. When she arrived at the hospital and saw her badly burned sister on a ventilator, she hyperventilated and passed out. Upon awakening, she lost her voice when she learned that her sister had died while she was unconscious.
• Even Evil Has Standards: Kuchinashi is against Thorn's idea to kill the Go Home Club members. Unless Eiji is still alive at that point, in which case she's a bit more willing to go along with it.
• Kick the Dog: Eiji intentionally triggers Kuchinashi's trauma at the Sun Temple, then knocks her to the ground and kicks her repeatedly. He might have done more, had Ayana not stopped him.
• Late to the Tragedy: Was on a school trip when her house burned down.
• Leitmotif: Onboro. The song revolves around the fire that killed her family, talking about how precious memories of the common family life are to her now. She also implies in the song that she considers herself to have died alongside them.
• Locked into Strangeness: Black that is streaked with white. It could be a representation of the trauma she went through.
• Luminescent Blush: Has a deep blush on her cheekbones when she invites the Musicians to her birthday party.
• Meaningful Name: The kanji for her name (梔子) mean 'gardenia', which is the name of a flower that can represent love for family and friends, but the pronounciation can also be read as 'no mouth' (口無し), which fits her wearing a gas mask. Whenever Eiji talks about her in the Japanese version, the 'no mouth' spelling is used as a mockery.
• Not Brainwashed: Compared to some other Musicians, Kuchinashi wasn't brainwashed in Grand Guignol.
• Nothing Personal: Her general view towards the Go Home Club is that she doesn't care about them, and would leave them alone, were it not that they are trying to force everyone back to reality, and that Eiji was with them.
• Older Than They Look: She's 20 years old in reality, but 17 in Mobius.
• Pet the Dog: An early part of her Character Episode has Kuchinashi invite the Musicians to a birthday party, where she introduces them to her NPC family in Mobius. It's a sweet moment for her, until seeing the burning candles on her birthday cake cause her trauma to be flare up.
• Revenge: Intent on getting revenge on the one that burned her home and killed her family, and is especially focused on Eiji because she believes he's the one that did it.
• Shock and Awe: Her weapon is a shield that acts like a taser.
• Sole Survivor: The only one to survive the fire that killed her family because she was on a school trip.
• The Speechless: Cannot speak without the help of her mask. She developed aphonia after the fire. Her final Character Episode has her take the mask off and try to speak without it, and manages to bring out a weak-sounding 'thank you'.
• The Stoic: Tends to show little emotion, unless she becomes angry towards Eiji or distressed from her trauma.
• Trauma Button
  • Fire causes her to fall into a panic because that's what killed her family. Just seeing a lit match or burning candles leads to her hyperventilating and fainting.
  • She also panics when people raise their finger to their mouth and make a shushing noise because that's what Eiji did to mock her in the trial she was supposed to testify against him in.
• Trauma Conga Line: Lost her family to a fire and the trauma made her lose her voice, too. Then she was a key witness in the trial for embezzlement, but she was unable to speak coherently, and Eiji mocked her from his seat, leading to Kuchinashi having a panic attack and passing out.
• Undying Loyalty: Towards Thorn.
• Unknown Rival: Has a rivalry towards Eiji, who claims to have no idea who she is or why she's even after him. He's fully aware who she is.
• "Where Are They Now?" Epilogue: Kuchinashi is seen visiting her family's grave and showing them a news article — like about Tadokoro being arrested for arson because Stork turned in the photograph he had of the crime — before she breaks down in tears.

Other Characters

Koki Tadokoro

Voiced by: Tomokazu Sugita

A man who is fanatically obsessed with μ. He's seen as selfish and egotistical by many, and is a hardcore idol otaku to the point of physical violence with the subject of his affection.

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• Even Evil Has Standards: Koki is a despicable human being, of that there can be no doubt. But even he finds Eiji to be unsettling. It's also thanks to Koki that the protagonist can oust him from the Go-Home Club.
• Jerkass: Absolutely shows no respect to anyone, not even the Ostinato Musicians. Surprisingly, this also works in his favor as he's an Egohead, a type of Digihead that helps stabilize Mobius, but can't be controlled by the Musicians. Meaning he's immune to their brainwashing.
• Loony Fan: Of μ and in real life, Uzume Corps. (specifically Himari). He even claims that fans and gods are the same.
• One Degree of Separation: He is the reason why all the events that transpired in the Overdose characters' backstories happened and connects them all together.
  • To Ayana: When Himari was still alive, Koki was one of her fans, albeit a deranged one as after an event, he brutally assaulted her. The attack resulted in Himari losing her eyesight, which also led to her suicide. Ayana, who was a member of the Uzume Underground, saw this happen and increased her already severe fear of men.
  • To Eiji: After the above mentioned assault, Koki was defended by Eiji Biwasaka, who was a successful lawyer. By pleading temporary insanity, Tadokoro was allowed to go free. Unfortunately for him, Eiji told him he could easily overturn that decision unless he did him a favor...
  • To Kuchinashi: As Koki learned, Eiji was an Amoral Attorney who had been embezzling funds from one of his clients. The client found out about it and was going to take Eiji to court. In order to silence him, Eiji threatened to have the court decision overturned and cart Koki off to jail unless he killed the man. Koki did as he was told and set the client's house on fire. The only survivor of that incident was a girl who had been away on a school trip.
  • To Stork: When Koki set the house ablaze, he wasn't alone. Stork happened to see him hanging around the client's house while he was doing what he did best and initially thought he was a fellow peeper intruding on his territory. Taking pictures in order to show his carelessness, Stork realized too late what Koki was doing and tried to chase after him. Since his training didn't cover a house being on fire, all Stork could do was run through the streets and scream "Fire!".
• Oh, Crap!: Eiji Biwasaka is practically his panic button. Not surprising, given that he could easily have turned Koki's life into hell anytime he wanted.
  Koki Tadokoro: Wha...?! I-It can't be... A-are you... B-B-B-B-Biwasaka... Mr. Biwasaka?!

Himari Minamide

The leader of the Uzume Corps. underground idol group up until her sudden death.

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• Driven to Suicide: Kills herself after Koki assaults her and leaves her permanently blind.
• One Degree of Separation: While she has a personal connection to one of the new characters in Overdose, it is her death and the events that follow it that link them all together.
• Posthumous Character: Himari is dead six years prior to the start of the game.
• Spell My Name With An S: For a time before the reading for her name was confirmed as "Himari", many fans called her "Hinata", which is a more common reading of the kanji in her name.

The nameless girl

Voiced by: Rio Watanabe

A girl who appears before the protagonist when examining some of the world wonders around Mobius. She has no memory of who she is or why she's in Mobius.

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• All There in the Manual: In the credits, it is revealed her name is Nanami.
• Schrödinger's Question: When the protagonist tells her about her past based on the enigmas she's found, the nameless girl is either confined to a hospital bed, in prison or she has yet to be born in the real world having heard Mu's music while in her mother's womb.