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    Akademi Faculty 
These are the women (and one man) whose mission it is to ensure the well-being of Akademi High School and its students.

Sensei

https://static.tvtropes.org/pmwiki/pub/images/reina_nana.png
Reina Nabatame
"What have you done?!"

Voiced by: Rachael Messer

The teachers of Akademi High School. Crossing them guarantees a Non-Standard Game Over unless you've prepared enough in your Physical Education class. They have very little individual personality, and are replaced the next day with a randomly generated new Sensei if you kill them, so listing them individually is a little pointless.

Tropes that apply to all teachers:

  • Action Girl: Strong, fast, tough. Do NOT anger the teachers.
  • Adults Are Useless: Zigzagged. If a murder scene is cleaned up before she and the student who told her about it show up, she'll assume it was a prank and walk off. She doesn't bother asking the student more about it. She just pretends nothing happened. But if you don't clean up before she gets there, and there are any corpses, pools of blood, bloody weapons or dismembered limbs, she will call the police and guard the suspicious element, making it impossible to move. If you break school rules, she will send you to the Guidance Counselor. And if she sees you murder anyone (or attempt to hide evidence of your crimes), she will give chase. That being said, she is pretty much completely useless in regards to bullying. Not only does she not stop Musume and her friends from tormenting the other students, but a student can receive public death threats or even commit suicide without this changing. Heck, in the earlier builds, the Bullies could bully the teachers themselves and they wouldn't retaliate!
  • Badass Teacher: If Ayano tries to attack them or if they know that she killed someone, they'll disarm and pin her to the ground within a matter of seconds. According to Word of God, after the 1989 incident, all teachers at Akademi were required to have extensive self-defense training.
  • Brainy Brunette: The original teachers, who are there at the beginning of the game, are all this in old builds, before they were given unique hair colors.
    • Averted for their replacements, whose hairstyles and hair colors are randomly generated.
  • Curb-Stomp Battle: Will give one to you if you don't train hard enough to take it.
  • Curtains Match the Window: The original teachers had brown hair and brown eyes in old builds. Their replacements, however, have randomly generated combinations of hair and eye color.
  • Did You Just Punch Out Cthulhu?: Downplayed. The teachers are in no way godlike, but they are pretty tough. It's only possible to take teachers down if you have leveled up your Physical stats enough, barring Easter Eggs and mods.
  • The Dreaded: For almost every Let's Player out there. When she starts to chase you, there is no getting away. Either she's going to go down, or you are.
  • Everyone Has Standards: If Ayano hangs around in a an area she is not supposed to be in (say, the Faculty office or a class that is not hers while she's trying to teach the other students), the teacher will yell at her for causing a disruption and send her to the Guidance Counselor. Also, she won't take too kindly to attempted murder, successful murder, trying to clean up evidence of a crime, bloody clothes, lack of sanity, carrying a suspicious weapon, trying to steal something, or panty shots. As of current builds, she does not react to Ayano wearing nothing but a towel (no one does) if you manage to glitch out of the locker room while nude or use the nude easter egg, but it's safe to say that eventually she won't like that either.
  • Failed a Spot Check: Before the March 2nd 2019 Build, no one in the debug builds noticed blood, which could lead to a very bizarre situation in which a Teacher's Pet witnesses murder and goes to get a teacher, you dragged the body around a corner, the teacher arrived, failed to notice the extremely obvious blood trail leading towards the body, and scolded the Teacher's Pet for lying.
  • Hidden Badass: They may seem like a harmless teachers, but do not get Sensei-chan mad.
  • Lightning Bruiser: They are fast enough to outrun a base-level Yan-chan, and strong enough to easily physically overpower her.
  • Mama Bear: The teachers genuinely care about the students' safety. If you murder someone, they'll come charging at you full-force.
  • Oh, Crap!: When witnessing something bad happen.
  • Prim and Proper Bun: Two of the original teachers (Reina Nabatame and Rino Fukahori) have one.
  • Reasonable Authority Figure: When she discovers a corpse, blood, a dismembered limb, or a bloody weapon, the first thing she does is call the cops. If she sees Ayano with blood, a weapon, or just acting suspicious in any way, she will send her to the Guidance Counselor, or, if her behavior is obviously murderous, pin her down and have her arrested.
  • Stern Teacher: The default personality for teachers. She won't hesitate to call Ayano out on arriving to class late or intruding on the incorrect class, and will send you to the Guidance Counselor if she catches you doing something weird. That said, she seems very protective of her students.
  • This Cannot Be!: Whenever she sees a dead body, she'll say this.
    Sensei: "No, it can't be...!"
  • Tranquil Fury: Normally, when she's giving chase or when you break school rules, she will shout like crazy. However, if you try to kill her without leveling up your Physical Education stats, she slips into this before pinning you to the ground.
    Sensei: "Just what do you think you're doing?"
  • Wide Eyes and Shrunken Irises: When scared... though given that you're no match for hernote , perhaps "horrified" would be a better term.

Kyoshi Tachikawa

https://static.tvtropes.org/pmwiki/pub/images/kyoshi_taiso.png

Formerly a celebrity Olympic athlete before being hired as Akademi High's gym teacher. While she does take her job seriously, she gets a little awkward around one student. She first appeared in the "Interim Build"note . Her function in the game is to make it difficult for Ayano to easily dispatch her rivals – during the morning and afternoon she stands guard by the front gate, and during class time she patrols the Faculty Room where the test answer sheet is. She has all the powers of a normal teacher.


  • The Ace: When it comes to swimming, at least — she has won 23 gold medals as an Olympic athlete. Also, just like all the other teachers, she will put you down if you attack anyone.
  • Adults Are Useless: In the earlier builds, the Bullies could bully her and she wouldn't do anything about it, to say nothing of stopping others from being bullied.
  • All There in the Manual: Her personality profile says that she was a former Olympic athlete, hired because of Akademi's tendency to get celebrity teachers.
  • Badass Teacher: Same as all the others. Attack her, she'll put you down.
  • But Not Too Foreign: With her blonde hair, blue eyes, and friendly extroverted demeanor, she fits the Japanese stereotype of an American or European. However, her name is not the least bit Western.
  • Celebrity Survivor: As mentioned, she's a famous Olympic athlete, and since she's generally in relatively out of the way areas, she has a good chance of surviving should Yan-chan go on a rampage.
  • Character Tics: She has a habit of swaying her hips from side to side when standing still.
  • Curtains Match the Window: The only faculty member who averted this in old builds.
  • Nice Girl: She is described as friendly and humble, despite being a famous Olympic athlete.
  • Outdoorsy Gal: She'd rather be outside getting some exercise than inside doing paperwork.
  • Passionate Sports Girl: When she's indoors, she'll frequently perform stretching exercises.
  • The Pirates Who Don't Do Anything: She's officially Akademi's gym teacher, but her routine does not ever take her anywhere near the gym, nor is she shown to teach. During class time, she instead patrols the faculty room to make it hard for Yan-chan to steal test materials to frame and expel a rival.
  • Punny Name: Part of her name is taken from Kyoshitaiso (体操教師), which translates to "gymnastics teacher".
  • Real Award, Fictional Character: 23 Olympic gold medals.
  • Reasonable Authority Figure: With a personality of "Friendly, but Strict", how can she not be?

Nasu Kankoshi, the Nurse

https://static.tvtropes.org/pmwiki/pub/images/nasu_kankoshi_9.png

Akademi High's regular nurse, present for nine of the game's ten weeks. Her function is to keep the player from easily nabbing useful items – tranquilizer, syringe, emetic, etc. – from her office. You can poison a student so they'll go to her office and she'll open her cabinet and get distracted to steal the emetic, but you'll get sent to Genka if she catches you at it. Like the normal teachers and Kyoshi, she is killable, but her slot will be filled the next day by a randomly generated replacement. She will be absent for the sixth week, with her position being filled by Muja Kina, but she'll return after Muja's rival week.


  • Combat Medic: She's just as tough to deal with as the regular teachers and Kyoshi if you trigger her.
  • Curtains Match the Window: Brown hair and eyes, albeit noticeably lighter than the classroom teachers' formerly.
  • Failed a Spot Check: If you successfully complete the QTE to steal her keys, she (currently) won't notice anything is amiss no matter how much stuff you steal. Averted if you fail; she'll slap you with a visit to Genka's office for touching her butt. This is all only in old builds, because she can no longer be pickpocketed and there is a different method of obtaining the emetic now.
  • Hidden Badass: She doesn't look like much and never leaves the infirmary... unless she sees you with a corpse, at which point she will give chase and bust you just like any other teacher.
  • Jerk with a Heart of Gold: Her profile states that while she may seem cold and unfriendly, she genuinely cares about the well-being of the students.
  • Punny Name: Nasu (ナース) is the usual way to say "nurse" in modern Japanese. Kankoshi is a traditional word for nurse. So her name is "Nurse Nurse" or, more officially, Nurse Nurse Nurse.
  • Repetitive Name: Nasu (ナース) is the usual way to say "nurse" in modern Japanese. Kankoshi is a traditional word for nurse. So her name is "Nurse Nurse".
  • School Nurse: If her name, outfit, and the fact she never leaves the infirmary weren't proof enough.
  • Written-In Absence: She will be gone during the sixth week of the game to make way for Muja, Ayano's rival for that week, and will return the week after. Why she will be absent is not yet known, but will be discussed in the final game.

Genka Kunahito, the Counselor

https://static.tvtropes.org/pmwiki/pub/images/genka_kunahito.png
"Don't misbehave."

Voiced by: Marissa Lenti

The Guidance Counselor of Akademi High School, whose role is to administrate proper punishment for misbehaving students.

  • All or Nothing: She has ten weeks to reform the delinquents or she will be dismissed from Akademi.
  • Adults Are Useless: She failed to step in when five students were harassed to the point of near-suicide because of a lack of concrete evidence, eventually causing them to become the Delinquents in order to protect themselves. She deeply regrets this failure.
  • The Atoner: When five boys were being harassed and bullied, she did not help them due to the lack of concrete evidence, resulting in them becoming delinquents to protect themselves. She blames herself entirely for this, and is willing to risk her career and position to help them reform — she has made a deal with the headmaster that if she cannot reform them in ten weeks, they will get expelled and she will get fired.
  • Everyone Has Standards: She legitimately wants to help as much as possible. That said, push her enough and she will expel you.
  • Expy: Is said to have been inspired by Meiko Shiraki and Headmistress Fiora.
  • Hot Teacher: Variant on the theme, in that she's a school guidance counselor, not a teacher. Still, she was deliberately designed to have sex appeal. Her shirt has a plunging neckline which reveals her ample cleavage.
  • Inferiority Superiority Complex: Her Stern Teacher behavior all comes from her feeling like she's inferior to her mother, Mae Kunahito, who was the school's previous counselor. Because of this, she is doing her best to imitate her mother's behavior so that she can feel like she is her equal.
  • It's All My Fault: She blames herself for the delinquents becoming what they are.
  • Jerk with a Heart of Gold: She's extremely harsh and strict, but she genuinely cares, and she wants to take good care of the students. She failed to help the delinquents in the past, but sincerely regrets it, and takes full responsibility for what happened. She's also willing to risk her career to help them.
  • Ms. Fanservice: Her shapely figure and flattering outfit definitely qualify her for this.
  • Must Make Amends: She is determined to reform the delinquents in order to make up for not helping them when they were being bullied by Musume and her friends, to the point that she is willing to risk her position at Akademi for them.
  • My God, What Have I Done?: It's downplayed, but it's made very clear that she feels this way about how she handled the delinquents in the past. She fully owns up to the fact that her inaction when they were being bullied is what pushed them into becoming what they are, and she deeply regrets this.
  • My Greatest Failure: The Delinquent Backstory video reveals that she feels this way because of her former policy of requiring concrete evidence of bullying for getting involved made it that the delinquents, before they became such, were easily bullied by Musume and her Gang of Bullies until Osoro came into the picture.
  • Not So Stoic: In the "Delinquent Backstory" video, she gets noticeably emotional when talking about her failure to help the delinquents, to the point of sounding like she is tearing or choking up.
  • Prim and Proper Bun: Fitting, considering her role in the game.
  • Punny Name: Her name is a pun on Genkaku na Hito (厳格な人), which means "disciplinarian".
  • Reasonable Authority Figure: Her personality is "Slightly Strict", and is described as someone who "genuinely wants to help". Of course, she has her limits where she will stop forgiving any troublemakers.
  • Scary Shiny Glasses: Her profile picture has one of her glasses become opaque. However, in the game they are clear.
  • Schmuck Bait: Using the "flirt" or "threaten" options after being sent to her office. As hilarious as the former may sound, and as tempting as the latter may seem, neither will get you out of trouble. The latter actually gives you an instant game over.
  • Stern Teacher: Subverted. Despite being a faculty member with the Strict personality type, and a disciplinarian at that, YandereDev has said that she is a Reasonable Authority Figure who genuinely wants to be helpful to the students.
  • The Unfought: She is unkillable – you can interact with her, but she has no hitbox. In fact, you can't even press the attack button when near her; entering her room immediately transports you to the counselor minigame, where the normal controls don't work. Genka is one of only two NPCs you directly encounter at school who will never be able to be killed; Headmaster Kocho is the other. note 
  • Unwitting Pawn: Can be manipulated by Ayano into expelling her romantic rivals or removing the delinquents as a threat.

Kocho Shuyona

https://static.tvtropes.org/pmwiki/pub/images/kocho_shuyona.png
In the present
In 1989
"It… it's you!"

Akademi High School's Headmaster since its founding in 1985. He was originally a cheerful, optimistic man full of hope, but as the years went by, he became a cynical, world-weary old man.


  • Accomplice by Inaction: He knows what Ayano really is like because he's absolutely convinced that her mother Ryoba was guilty of at least one murder in 1989, but otherwise he's chosen to do nothing.
  • Ambiguously Evil: The Journalist mentions that he pays the police and media to stay away from Akademi even when there's a crime on campus. However, he's also been described as someone who was once idealistic, only to become cynical and jaded. In addition, his Wham Line after tasering Ayano hints at a connection between him and the Saikou family, who are also Ambiguously Evil. He could, at least, be an Anti-Villain.
    • Part of the connection is explained in the already-available Headmaster Tapes — Saikou Corp is funding the school because Saisho wanted his daughter to be educated in the very best environment. What this means for the present, however, has yet to be explained.
  • Break the Cutie: He was once full of hope, but the years have been cruel to him. His tapes show him becoming more and more jaded with each passing year.
  • Crazy-Prepared: It's no surprise that one of the only people aware of Ayano's true nature has a taser on him. He also had it with him ever since the news of a murder broke out in 1989, just in case someone in the school did turn out to be a murderer (which was the case).
  • Curb-Stomp Battle: A "fight" between him and Ayano will end with her ass on the floor of his office.
  • The Cynic: He became one before the events of the game, losing faith in the world and its youth.
  • Dark Secret: The final headmaster tape implies that Kocho himself has something to hide, as Info-chan used whatever it is to blackmail him. It's because of that blackmail that she has a room of her own and absolute impunity. An earlier tape has him admitting to taping someone without their consent, but doesn't go into more detail.
  • The Dreaded: Seriously. Do NOT get on this guy's bad side. He is armed and will attack. Actually, the player is already screwed on this front, as he'll freak out the instant he sees you, due to Ayano being a textbook example of Generation Xerox.
  • Enthusiastic Newbie Teacher: When he first got the job, he was a fit, energetic man who was full of hope. As time passed, however, he has become increasingly cynical.
  • Formerly Fit: He used to be in decent shape, but these days he's noticeably pudgy. He lampshades it in one of his tapes.
  • Get Out!: If Ayano enters his office, he tells her in no uncertain terms to leave.
  • The Ghost: Was originally planned to be this before YanDev changed his mind and decided to make him physically present during regular gameplay – he first appeared on October 1st, 2017.
  • Hopeless Boss Fight: If Ayano comes at him with malicious intent, she will eat taser. The same goes for Ryoba though unlike Ayano he only attacks her if she pulls out a weapon or brings a corpse to his office.
  • Knew It All Along: If he tases Ryoba during 1980s mode, he'll say that he was right about there being a serial killer on school grounds.
  • Laser-Guided Karma: He considers Info-chan blackmailing him with screenshots of certain folders on his computer to be this for unspecified actions he committed in the past.
  • Meaningful Name: Kōchō (校長) means "Headmaster".
  • Obstructive Bureaucrat: Under his administration, the school somehow convinced the police to only investigate crimes committed on school grounds for 6 hours maximum. This is very convenient for a Yandere looking to not get caught.
  • The One Guy: He's currently the only male faculty member of Akademi High School.
    • That said, YandereDev has stated that three of the current female teachers might get replaced for three male ones.
  • Punny Name: His name, Kōchō (校長) means "Headmaster". He's also the headmaster of Akademi.
  • Properly Paranoid: He will taze Ayano merely for coming too close to him. But then again, he knows she's just like her mother.
  • Schmuck Bait: The Dev alluded to this months before Kocho's introduction by encouraging players to try and kill him once he appeared in the game, just to "see what happens." On that same note — try appearing before Kocho while covered in blood, dragging/carrying a body, holding a weapon (especially his own katana you just stole from him), or do none of those things but stay in his presence for more than one minute. Surely nothing bad will happen to you!
  • Static Stun Gun: First shown in YandereDev's Let's Examine Persona series of videos, where he is seen in concept art wielding an X-26 Taser. Sure enough, when he was introduced into the game several months later, he has that taser on him and will use it on Ayano without hesitation.
  • Stopped Caring: By the time Ayano meets him, he is a year away from retirement and no longer gives a crap about anything, dumping his workload on the guidance counselor.
  • The Unfought: He is one of the only NPCs you'll meet who can never be killed (Info-chan and Genka are the others) due to his importance to the game's story. Unlike those two, he will interact with Ayano without prompting. Note, however, that doing so is guaranteed to end very, very badly for the player.
  • Weirdness Censor: He is the only character in the debug builds (at this time) who has a unique reaction to Ayano doing something silly, such as crawling around while wearing a box. Unfortunately for her, he has zero sense of humor.
  • Wham Line: The build that introduced him also introduced a new type of Game Over – if you get too close to him, stay in his presence too long, or do anything even remotely yandere within his line of sight, you will be tazed into unconsciousness. That's not the wham; it's what happens next – instead of any of the standard texts ("Heartbroken", "Expelled", etc.), the red letters read simply "??????????" and we hear Kocho say into his phone, "Mister Saikou... The deal is off." What exactly he means by this is currently a mystery.
  • Wide-Eyed Idealist: When he first got the job, he was a fit, energetic man who was full of hope. However, by the time the game starts, he's become pessimistic and world-weary. 1980s mode shows this contrast, giving Ryoba a friendly greeting when she enters his office, and only using his taser on her if she tries to attempt against his life, far from the present day's grumpy old man.

    Demons 

The Succubus/Lust Demon

https://static.tvtropes.org/pmwiki/pub/images/yan_sim_lust_demon.png
Ara ara! You're a cute little thing...
"Do you want to play with me? Or…perhaps you want to become one of us?"

Voiced by: Michaela Laws

One of the five demons encountered by using the Ritual Knife.


  • Black Eyes of Evil: Her eyes are solid black.
  • Eerie Pale-Skinned Brunette: She has paper-white skin with black markings, black hair, and she is a demoness.
  • Greater-Scope Villain: There are implications that she may be the biggest bad in the entire game. First of all, there is something fundamentally wrong with the Aishi bloodline, with each successive female member inheriting a so-called "Yandere gene" that predisposes them to obsessive love. Second of all, Yan-chan has a natural ability to contact demons (despite being the biggest greenhorn in the Occult Club, if she joins) Thirdly, the Succubus even looks a bit like Ayano herself (and is even voiced by Yan-chan's voice actress). Fourth, she is also implied to be somehow related to Sakyu and Inkyu Basu, due to a mysterious ring that Sakyu has, and is in the same breath implied to be somehow behind the myth of the cherry tree, as said ring is only "activated" when the player carries it near the cherry tree.
  • Humanoid Abomination: Looks more human than most of her fellow demons, but is clearly not.
  • Two Girls to a Team: As of the October 14th 2018 build, she no longer the only female demon around.
  • Was Once a Man: According to the April Fool's Day Dating Sim Burning Love, humans become demons when they commune with one, and offer a blood sacrifice in exchange for a price. It's unclear how canon this tidbit is, but if it's true for Yandere Simulator proper, then this is the case.
  • You Are Not Ready: She tells Yan-chan that it's too soon for her to become a demoness herself, but to be patient.

The Fiend/Flame Demon

https://static.tvtropes.org/pmwiki/pub/images/yan_sim_flame_demon.png
"A mortal? Here? How curious…"

Voiced by: Patrick Seymour

One of the five demons encountered by using the Ritual Knife. His ritual was the second to be implemented into the game.

Also appears in a YanSim-related Dating Sim called Burning Love as the romance lead.


  • Ambiguously Bi: In Burning Love, thanks to the player character's Ambiguous Gender.
  • Ambiguously Gay: In Burning Love, thanks to the player character's Ambiguous Gender.
  • Boring Insult: In his original dialogue, he said that he finds Ayano boring and wants nothing to do with her. This was later replaced with a speech saying he finds her unworthy of his power.
  • Bring It: He tells Sakura, "DO YOUR WORST" when challenging them to make him enjoy their date.
  • Demon of Human Origin: In Burning Love, he says he used to be a normal human, until he formed a pact with a demon to become one himself so he could get revenge on his family's murderers. It's not clear if this is canon to the main game, though.
  • Do Not Taunt Cthulhu: He has little patience for Sakura's constant flame puns. This could potentially lead to Your Soul Is Mine! below.
  • Evil Sounds Deep: He has a very deep voice.
  • Humanoid Abomination: Not as terrifying as The Horror, but still a particularly unnatural entity from the beyond.
  • Kill It with Fire: What his power is. Not even Senpai is immune to fire. note 
  • Interspecies Romance: With the Player Character if you get the Good Ending of Burning Love.
  • Super-Empowering: In the January 2017 build, the Fiend's power-up was added to the game. If Ayano heats the Ritual Knife and stabs it into the Skull, he'll give her a taste of his power. If she drags five charred corpses into the ritual circle, he will deem her worthy and give her a charcoal grey gown and the ability to shoot flames from her hands.
  • Was Once a Man: In Burning Love, he reveals that this is the case for all demons. A human can become a demon if they commune with one and offer a blood sacrifice to form a pact. In his particular case, he was born into a wealthy family in 1431, and saw his family be beaten and burnt alive by peasants. He struck a deal with a demon, and got his revenge by making the peasants experience every single thing his family did and worse. It's unclear just how canon this backstory is, however.
  • Woobie, Destroyer of Worlds: If Burning Love is to be believed, he was once a normal human who saw his family suffer a Cruel and Unusual Death. After making a Deal with the Devil, he got his revenge and lost his humanity.
  • Wreathed in Flames: Other than his uniform, he is composed of spectral white flames.
  • You Are Not Ready: He tells Yan-chan that she's not worthy of his power, and to come back once she's proved herself. See above for how she can prove herself.
  • You Have GOT to Be Kidding Me!: In Burning Love, if the Player Character tells the Flame Demon that they're lost, he will be dumbfounded by the idea that a human got lost and accidentally wandered into another plane of existence.
  • Your Soul Is Mine!: He does this to Sakura if their date goes poorly.

The Horror/Pain Demon

https://static.tvtropes.org/pmwiki/pub/images/yan_sim_pain_demon.png
Arms removed... Body distorted...
Descendants must feel... what I felt...

One of the five demons encountered by using the Ritual Knife. Its ritual was the first to be implemented into the game.


  • Body Horror: Its arms look like they've atrophied off (though it heavily implies they were forcibly removed) and its mouth is distorted horribly.
  • Demonic Possession: Inflicts this on Yan-chan, should the conditions for invoking it be fulfilled.
  • Expy: Its appearance – especially its earthly manifestation – looks a lot like the Dead Hand, although what it actually does is more reminiscent of Diclonius vectors.
  • Ghostly Gape: Its lower jaw is stretched so that its mouth is ghoulishly distorted.
  • Humanoid Abomination: A horrifying creature from the beyond presenting itself in a ghoulish mockery of the human shape.
  • Miscarriage of Justice: Its dialogue heavily implies that it was on the receiving end of one, being found guilty of a crime it didn't commit then given a Cruel and Unusual Death that led to its current state.
  • Noble Demon: It's a powerful demon who demands sacrifices, and could easily betray Ayano if it wanted to. That said, it's nice enough to make it so that its dark gift doesn't harm Senpai.
  • Pragmatic Villainy: If you manage to give it vengeance, the demon will give Yan-chan ten hands that dismember anyone who comes close… except Senpai. The Horror is kind enough to spare him from your bloody rampage.
  • Roaring Rampage of Revenge: It wants revenge for a past injustice and its arms being cut off. Fulfill that, and it will be happy to lend Yan-chan a hand… or ten.
  • Super-Empowering: If Ayano places a certain number of dismembered body parts into the ritual circle, it will gladly lend her its power.
  • Was Once a Man: Its speech upon talking to it suggests that it was once a normal human who died a Cruel and Unusual Death. If Burning Love is to be believed, all demons were once humans who made a pact with a demon.

Death Demon

https://static.tvtropes.org/pmwiki/pub/images/yansim_death_demon.jpg
One of the five demons encountered by using the Ritual Knife.
  • The Blank: You can't discern his face.
  • Greater-Scope Villain: Implied from his dialogue, in which he comments that Ayano's actions are "feeding" him in some unspecified way, and vaguely alludes to his "plans" being delayed by her presence.
  • Living Shadow: Appears like one.
  • Sorting Algorithm of Evil: His dialogue implies that Ayano's presence at the school has delayed his own plans.
  • Spikes of Villainy: Sinister spikes adorn his head.
  • Vagueness Is Coming: He comments that he was meant to have "debuted" before Yandere-chan and that her presence is forcing him to readjust his plans. The demon also vaguely alludes to her actions (read: murders) feeding him, then concludes by ominously remarking that he'll be watching Ayano in the future, absolutely none of which does anything to clarify who he is or what he's planning.

The Spider Husk/Empty Demon

https://static.tvtropes.org/pmwiki/pub/images/yansim_empty_demon.png

One of the five demons encountered by using the Ritual Knife. Her ritual was the third to be implemented.


  • Assimilation Plot: Once the ritual has been enacted, the leaders of each club will look and behave like the placeholder club leaders.
  • Kill and Replace: Her ritual involves sacrificing each of the club leaders so the placeholder club leaders can take their place.
  • Red Eyes, Take Warning: Has eight of them! Like a spider.
  • Spiders Are Scary: Her face has several spider-like features.
  • Two Girls to a Team: After the October 14th, 2018 build, she and the Lust Demon are the only female demons.

Placeholder Club Leaders

https://static.tvtropes.org/pmwiki/pub/images/placeholder_chan_0.png
"You have joined the club".
"Greetings."

Voiced By: Michaela Laws

Due to time constraints, YandereDev included these soulless automatons beginning with the "Clubs"note  Update to allow players to try out some of the club mechanics without having to complete a bunch of new students. They are Deliberately Monochrome female students with short hair that covers almost all of their face. Yandere-chan can only interact with them as club leaders, and they won't react to anything else. They were later removed as the true club leaders were added... but you can bring them back in a horrific way if you complete the Empty Demon's ritual.


    Befriend/Betray Mission Obstacles (Warning: Possible Spoilers) 

Mr. Rokuda

https://static.tvtropes.org/pmwiki/pub/images/rokuda.png
"You scumbag! What have you done to my daughter?!"

Voiced By: Kellen Goff

The owner of Rokuda Loans, and Musume Ronshaku's father. He is a notorious loan shark, and a terrible and terrifying person to everyone except his daughter.


"Osana's Stalker"

https://static.tvtropes.org/pmwiki/pub/images/osana_stalker.png
Voiced By: Matt Shipman

A key player in Osana's befriending mission. An otaku, obsessed with Magical Girl Pretty Miyuki; he's convinced that Osana is a "conduit" through which he can bring the titular Magical Girl into the real world. In order to accomplish his goal, he's kidnapped Osana's pet cat in order to force her to come to his house, dress her up as Miyuki, and be his girlfriend.


  • And Your Little Dog, Too!: His obsession with making Osana dress up as Miyuki and be his girlfriend is so strong that he went as far as to kidnap Osana's cat and is threatening to kill it if she calls the police.
  • Bad People Abuse Animals: He kidnapped Osana's pet cat so she will come to his house and force her to dress up as Miyuki. He's also threatening to kill the cat if Osana calls the police.
  • Brother–Sister Incest: His sister's dialogue over the phone implies that he may have an interest in hentai depicting this. She's developed a fear that he might decide to act on this, and (quite understandably) keeps her bedroom door locked when she's asleep.
  • Cannot Tell Fiction from Reality: He's convinced that Miyuki exists somewhere in the real world and that by having Osana (who happens to resemble her) dye her hair and dress up like her he will be able to have her all to himself.
  • Clone by Conversion: In his ramblings, he talks about making Osana dye her hair pink and dress like Miyuki.
  • Foil:
    • To Senpai - both have some connection to Osana Najimi, but Senpai has been friends with her since childhood and unwittingly earned her romantic interest, while the stalker only met her very recently, knows very little about her (because he's more focused on his fantasy of bringing Miyuki to the real world), and terrifies her so much that she wants nothing to do with him.
    • Their sisters are also foils - while Hanako clearly thinks the world of her big brother and is also close friends with Osana, the stalker's sister is creeped out by him and likely doesn't know Osana even exists.
  • Hikikomori: Described as one by his sister. She tells a friend of hers on the phone that he's been like that for over a year and only comes out of his room to get food or use the restroom. His mother wishes he could just be normal and join the rest of the family.
  • I Have Your Wife: He's kidnapped Osana's pet cat and threatened to kill it if she calls the cops on him.
  • Hostage Situation: He kidnapped Osana's pet cat and told her to come to his house if she wants it back, but Osana knows that once she sets foot into his home, he will never let her leave. In addition, he's threatening to kill the cat if Osana calls the cops on him.
  • Parental Neglect: Heavily Implied. His parents' reaction to seeing Ayano in dark clothing sneaking around their house in the middle of the night has them come to the conclusion that she is a friend that their daughter invited for a sleepover. One has to wonder if they even know that he's stalking Osana. The discussion they have after Ayano rescues Osana's cat shows them blaming each other for their son's condition, with the mother blaming the father for not helping her in raising him, and the father blaming the mother for not stopping to think that his job kept him busy and that raising the kids was her sole responsibility.
  • Perma-Stubble: To go with his unkempt hair.
  • Shadow Archetype: Arguably one for Gema Taku if he was 30% more antisocial, and liked Magical Girl Pretty Miyuki.
  • Stalker Shrine: Has a wall in his room plastered with pictures of Miyuki.
  • Stalker with a Crush: A huge one for Osana because of her resemblance to the main character of Magical Girl Pretty Miyuki.
  • Zero-Effort Boss: The only challenge you have to face is sneaking past his family members to get Osana's cat. By the time you get to his room you can just snatch the cat and just leave, possibly without getting noticed at all. Even if he takes notice of Ayano, he wont do anything to stop her from running/walking away. He was later made to attack Ayano if he notices her getting away with the cat, but even then he is not that much a challenge at all.

    Buraza Town 

Lola the Hardware Store Clerk

The perky hardware store employee. She sells a number of different tools and equipment that you can use to, unbeknownst to her, kill your rivals.

Manga Store Clerk

The cashier of the manga shop. She sells manga which can be read to improve various stats.
  • Friendly Shopkeeper: A complete contrast to the Convenience Store clerk.
  • Otaku: She's shown wearing a Pretty Miyuki shirt and she can barely put down the manga she's reading long enough to help the customers.

Hair Salon Clerk

The hairstylist at Miyōin Salon. She can give you any unique hairdo you want or sell you hair dye.
  • Ambiguous Situation: Although she's apparently close enough to Ryoba to know Ayano by name, her exact relation to the family is unclear. It's eventually revealed in 1980s Mode that she's a serial killer who gave Ryoba tips on how to get away with murder.
  • Bait-and-Switch: The store she's a part of in 1980's mode is at first presented as the same "Hair Salon" as the main game but with different hairstyles as part of her service, but then it suddenly transitions to black with dialogue that reveals her true nature as a serial killer, offering a completely different service in the form of advice for like-minded killers.
  • Face of an Angel, Mind of a Demon: Could you believe that this seemingly friendly lady, who was a cute girl in the 80s, is actually a serial killer?
  • I Was Quite a Looker: While she definitely doesn't look bad for her age in present day, she used to be much cuter in the 80s.
  • Villainous Friendship: By all accounts she and Ryoba have share a genuine friendship with each other, with her giving Ryoba tips on how to get away with murder when she was younger.

Lingerie Store Clerk

The proprietor of the lingerie store. She sells different panties that can enhance different attributes.
  • Ambiguously Related: She has the same eye and hair color as Umeji Kizuguchi (before he dyed it blonde at least), which has lead some fans to theorize that she is his mother.
  • Cleavage Window: Her shirt has one in the shape of a heart

Electronics Store Clerk

The very professional Saikou Electronics employee. She sells various gadgets that can be very useful when completing certain tasks.

Game Store Clerk

The laidback cashier of the store. She sells a number of mini games that you can play at the Aishi residence.
  • Gamer Chick: She even plays with a handheld system while waiting for Ayano to make her choice.

Convenience Store Clerk

The lazy cashier at the 7/2. She, begrudgingly, sells a number of items primarily intended to sabotage your rivals.
  • Apathetic Clerk: It's obvious that she hates her job and wants customers to stop bothering her.
  • Expy: she's basically a human female Squidward.

Rumi the Gift Shop Clerk

The Proprietor of the gift shop. She sells a variety of gifts that can be used to help in matchmaking or be given to Taro.
  • Fake Cutie: She's dressed like a Magical Girl who calls herself Rumi, but if you keep her waiting for too long her normal artwork is replaced with an artwork of her crushing the gift box in her hand with an extremely annoyed expression on her face.
  • Third-Person Person: Her character, Rumi, talks like this.

Maid Cafe Hostess

The woman who stands outside the maid cafe. She provides Ayano with a means to earn extra money.
  • Ambiguous Situation: She reuses the Witness-chan character model, which has since been revived in 1980s mode as Ui Tunesu, but it is currently unclear if the two of them are the same character.
  • Fanservice with a Smile: She works in a maid cafe after all.

    Saikou Corp (WARNING: MAJOR SPOILERS) 

As a whole

https://static.tvtropes.org/pmwiki/pub/images/saikou_logo.png

  • Acme Products: They are omnipresent throughout the game; there are actually only a few branded objects at Akademi that do not have the Saikou Corp logo on them!
  • Alliterative Family: The siblings Ichirou and Ichiko.
  • Big, Screwed-Up Family: You've got Saisho, the Evil Patriarch who drove off his eldest daughter by putting her through Training from Hell in order to inherit his company and may have had his third child erased from reality, you've got the father, whose childhood pretty much came crashing to a halt when his sister walked out on them, making him the heir to the company, and you've got Megami and Kencho, who have an extremely unhealthy Cain and Abel relationship where each one of them wishes the other would die.
  • Corporate Conspiracy: Saisho created Saikou Corp for the purpose of gaining enough power to start a war against the countries that fought against Japan during WWII, during which several of his friends were killed. However, as Japan's former enemies began to embrace its culture thanks to his company's influence around the world, combined with the fact that most of his enemies who killed his friends were either dead or very old, he stopped seeing any reason in starting a war.
  • Equal-Opportunity Evil: Despite being founded by a person who is a staunch traditionalist and neo-imperialist, the corporation practices absolute primogeniture in its ownership inheritance scheme, designating the eldest child of the owner, regardless of gender, as the preferred heir and putting them through Training from Hell to prepare them for the inheritance.
  • Evil, Inc.: Are hinted to be behind some nefarious plot that somehow involves Yandere-chan.
  • Family Business: It's named for the family, and Saisho, the Evil Patriarch founder who drove off his eldest daughter by putting her through Training from Hell in order to inherit his company, but his son got it instead.
  • Meaningful Name: Their name is pronounced like the english word "psycho".
  • MegaCorp: Described as the most powerful business conglomerate in Japan. Its products are everywhere.

Saisho Saikou

https://static.tvtropes.org/pmwiki/pub/images/saikou_founder.png
The founder of Saikou Corp. and its CEO in 1989, and the founder of Akademi High. Plays a critical role in the backstory.
  • Abusive Parents:
    • He groomed his daughter Ichiko from early childhood to assume control of his financial empire, freaked when she refused, and almost certainly did the same to his son Ichirou afterwards.
    • Fun Girl's first hidden message implies that he used her, his own daughter, as the first human guinea pig to prove a machine he invented was safe to investors. Unfortunately, it wasn't actually safe, and she was retgoned and shattered across time and space. As of April 2, 2018, her new message implies that he did away with his daughter on purpose to keep her from exposing him for something. Then again, it's Fun Girl, so it probably isn't true. Probably.
  • Awful Wedded Life: Not necessarily awful, but there was little love between him and his wife, according to YandereDev. His son, however, loves his own wife, and Megami would prefer to marry someone she loves if possible.
  • Broken Pedestal: Kocho Shuyona used to have nothing but respect for Saisho. Then he found out he had been grooming his daughter since childhood to inherit the company and disowned her when she refused to follow his demands. Needless to say, he couldn't look at him the same way ever again. It only worsened when Saisho told him about the true reason he founded Saikou Corp: to restore the Japanese empire and get revenge on the West for what had happened to him in Okinawa in World War II.
  • Bullying a Dragon: The S+ Ending of 1980s Mode reveals that he kidnapped Jokichi after he was already abducted by Ryoba and tells her in a letter to come to find him. What came after that is left unexplained, but with the next point in the timeline being Ryoba marrying Jokichi, it is clear that whatever he had planned didn't go as he had hoped.
  • Control Freak: Kocho Shuyona describes him as a micromanager who hates compromise. Saisho tried to mold his daughter in his image by purging "undesirable" personality traits and interests, which in his mind, were creating art and spending time with animals. He freaked out when she ignored his demands.
  • Corrupt Corporate Executive: Willing to put his daughter through an insane training regimen from the get-go, put his son through an accelerated version of his training when his daughter disobeyed him, and allegedly erased his other daughter from existence to ensure she couldn't expose his corruption. He only values his company far above that of his family or anyone else.
  • Darwinist Desire: Looked for this in his wife, wanting a perfect partner with no flaws. He extended this to his son as well by arranging his marriage. He disowned his daughter when she refused to be molded in his image.
  • Didn't Think This Through: His plan was to amass enough wealth to fund and arm Japan so they could get revenge on the countries that defeated them in World War II. He didn't reckon with globalization or Japanophilia though, and only realized right before his retirement that his plan was impossible because he would be attacking his customer base in those countries.
  • Evil Cripple: Due to old age, he uses a wheelchair.
  • Fantasy-Forbidding Father: Deconstructed. He put Ichiko through an insane business training regimen to purge undesirable personality traits. His daughter instead disobeys him when she refused.
  • The Ghost: While he is important to the backstory, he does not appear in gameplay. Justified as he had passed away just before the game begins.
  • I Have No Daughter!:
    • He disowned his daughter Ichiko when she refused to inherit Saikou Corp. They haven't spoken in 30 years.
    • Exaggerated with his other daughter, whom he allegedly erased from existence in order to silence her when she tried to expose his corruption.
  • I Was Quite a Looker: This is what he looked like when he was in his 30s.
  • Patriotic Fervor: According to Fun Girl, Imperial Japan was to him what Taro Yamada is to Ayano Aishi. We later saw Saisho confirm this himself to Kocho Shuyona in the final meeting they had, making this one of the few things Fun Girl has told us that was actually true.
  • Politically Incorrect Villain: His daughter-in-law's bio indicates that he secretly practices eugenics and YandereDev has said that he views the LGBT community as being a "descent into hedonism and degeneracy". As he admires Imperial Japan, which was for all intents and purposes a fascist dictatorship, it's no surprise he holds onto this bigotry and possibly other forms of intolerance.
  • Posthumous Character: Died shortly before the start of the game.
  • Slave to PR: Holds several controversial opinions to himself so it won't ruin his company's image. His affinity for Imperial Japan would damage his company's relations with Japan's former enemies. His anti-LGBT stance will not be profitable in the more socially liberal countries of the modern age.

Megami's Aunt, Ichiko Saikou

https://static.tvtropes.org/pmwiki/pub/images/megamis_aunt.png
Ichirou's sister. Estranged from her family, she travels the world for reasons unknown. Is implied to have some connection to Fun Girl, but given our source on this is Fun Girl herself, this should not be considered gospel.
  • Ambiguous Situation: According to Sakyu Basu, her last public appearance was in the 90s and no one has seen her ever since. Both the Headmaster Tape's and Fun Girl imply that she is alive and travelling all over the world looking for a way to bring Fun Girl back, but it's still strange that there haven't been any sightings of her given her status.
  • Calling the Old Man Out: Engaged in a shouting argument with her father and hasn't spoken to him since. Partly because she despised his micromanagement.
  • The Determinator: According to Fun Girl, she refuses to give up on bringing back her sister, despite (A) said sister trying to stop her, and/because (B) the solution literally doesn't exist, nor can it ever.
  • Hates Their Parent: She hated her father's Training from Hell and remains estranged with her family.
  • I Have No Daughter!: Has been estranged from her family for over three decades.
  • I Hear People That Never Existed: Is able to hear Fun Girl, or so the latter claims. Fun Girl thinks it's a twin thing.
  • Like Father, Unlike Son: Her father wanted to mold her into his perfect heir from the get-go. She didn't live up to his expectations, and when she wanted to travel the world to find her long-lost sister, Saisho decided to disown her.
  • Ripple-Effect-Proof Memory: Implied to have somehow retained the memory of her twin sister, but considering we learned this from said twin sister...
  • Small Role, Big Impact: By the time the game begins, she's been estranged from her family for over 30 years, but Akademi would not even exist without her, and her leaving the Saikou family has a huge impact on her younger brother Ichirou, and therefore Ichirou's two children.
  • Training from Hell: Was trained to become Saikou Corp's CEO from an extremely young age. We're never told exactly what this "training" consisted of, but it's implied to have been anything but pleasant.

Ichirou Saikou

https://static.tvtropes.org/pmwiki/pub/images/saikou_ceo.png
The current CEO of Saikou Corp and the father of Megami and Kencho.
  • Abusive Parent: He disregards his son, outright telling him that he's just a backup.
  • Arranged Marriage: Was in one with Megami's mother, although he is stated to have had a loving relationship with her.
  • Corrupt Corporate Executive: Is part of an as-of-yet unknown conspiracy with the headmaster involving the school and Ayano, and is known to use bribery (at the very least) to meet his goals.
  • Empty Shell: When he was younger, Ichirou would speak formally, rarely changing emotions or facial expressions. Due to this, many feel uneasy around him, wondering if he is a broken man pushed to carry his father's will. That he was put in an advanced version of his sister's Training from Hell which turned him into an empty husk may have done enough psychological damage.
  • Evil Is Not a Toy: He seems to have some sort of 'deal' with the Headmaster to allow Ayano to do her thing in the school for unspecified reasons, and brushes off potential casualties. This decision can potentially lead to Yan-chan killing literally everyone in the school, including his heir Megami.
  • The Faceless: As seen above, his artwork shows him from behind.
  • Freudian Excuse: Ichirou's childhood was abruptly cut short after his sister Ichiko left, and he was put through an advanced version of her Training from Hell.
  • Training from Hell: Deconstructed. After his sister left, he was put through an accelerated version of this by Saisho. While Saisho's desire of wanting the ideal heir worked, his micromanaging turned his son into an Empty Shell who hardly expressed any emotion.
  • Wine Is Classy: Invoked in his character image.

Kencho Saikou

https://static.tvtropes.org/pmwiki/pub/images/kencho_saikou_update.png
Megami's younger brother and the backup heir to Saikou Corp, should Megami die or abandon her duties.
  • Annoying Younger Sibling: He mocks and discourages Megami at every opportunity.
  • Black Sheep: While the Saikou family tends to be full of corrupt and ruthless people, they also strive to be honorable, respectable, and dignified. Kencho is none of these things. In fact, his lifelong sense of inferiority has led him to act out towards other people, taking every opportunity to show off his wealth and lording it over anyone who isn't as well-off as he is. This behavior only earns him further disdain from the rest of his family.
  • Cain and Abel: Is hinted to be plotting against his sister to take over Saikou Corp.
  • Can't Catch Up: No matter how hard he tries, his sister always outdoes him.
  • Expy: Let's see, a younger member of a large organization? Meant only to be a backup in case the original dies? Isn't seen as an individual with his own merits, and only as a backup? Sounds quite a bit like Beyond Birthday, aka BB.
    • Also, he's the younger brother of the heiress of a major corporation that schemes to replace her, much like Whitley Schnee, whom YandereDev found on Google Image and based Kencho's design on.
  • Foil: To Hanako. While Hanako adores her big brother and doesn't want to share him with anyone else, Kencho despises Megami and wants nothing more than to replace her as the Saikou heir.
  • Freudian Excuse: His behavior and character are tied to the fact that he's fully aware that he's just a backup to Megami, making him feel like he lacks purpose unless he can outdo her.
  • Generation Xerox: He looks very similar to his father, and YandereDev states that "he imitates his father to try and gain his favor".
  • Inferiority Superiority Complex: He lives by comparing his accomplishments to Megami's (which amount to diddly-squat because she outperforms him in everything), leading to a severe case of this. In order to cope with his sense of worthlessness, he flaunts his wealth and status over anyone he considers beneath him.
  • Satellite Character: His entire identity and sense of self-worth is tied to his relationship with Megami.
  • Sibling Rivalry: Has an extreme one with Megami; he wants more than anything to surpass her, believing that to be the only way to earn his father's love - but no matter what he tries, she always outdoes him. She, for her part, tries her best to pretend he doesn't get under her skin, but secretly hates him almost as much as he hates her.
  • Stalker without a Crush: Looking out the 25¢ binoculars at the sidewalk overlooking the sea shows a Saikou Corp boat, and on it is Kencho himself, looking back at her with his own pair. Why he's doing this is as yet unknown.
  • "Well Done, Son" Guy: He wants his father's approval more than anything else.

Wife

https://static.tvtropes.org/pmwiki/pub/images/wife_4.png
The wife of Mr. Saikou and the mother of Megami and Kencho.
  • The Ace: She was this, but she just couldn't compete with Saisho. Due to his obsession with perfection and Darwinist Desire, she had to be this to be allowed to marry his son.
  • Ms. Fanservice: She's practically naked. The only thing she's wearing is a see-through dress. You can clearly see her naked body through her dress.
  • Navel-Deep Neckline: Her black dress has a plunging neckline that reaches her stomach.
  • No Name Given: The Yandere Simulator website lists her as "Wife".
  • Vapor Wear: It's clear that the only thing under her dress is her body.
  • Wine Is Classy: Invoked in her image.

SPOILER CHARACTER

See FUN GIRL in the Extras folder below.

    Removed Characters 

Study-kun

See Hozumi Takeda and Iwao Satoh here.

Victim-chan

https://static.tvtropes.org/pmwiki/pub/images/victim_chan.jpg
"This girl is talking to Senpai. That's unacceptable."
YandereDev
A former test rival, used to demonstrate how to get away with murder. Later builds removed her from the game as elimination methods got more complex than 'stab and incinerate body', and Kokona Haruka took her place as the test rival. She was coded with a Loner (then called Coward) persona, as that was the only persona for girls at that time.
  • Butt-Monkey: Her entire reason for existing was to be killed by Yandere-chan and cleaned up so the police wouldn't find any evidence. Her routine was designed to facilitate that, as she would talk to Senpai (making her a rival in need of elimination) and then go stand near the incinerator and politely wait there all day.
  • Curtains Match the Window: Both her hair and eyes were yellow.
  • Flat Character: She was a loner, knew Senpai, and hung out around the Incinerator. That's all we ever knew about her, since she tested some very basic features.
  • Girlish Pigtails: Her hair was done up in twin pigtails.
  • No Name Given: Since she was never a real character.
  • Palette Swap: She looked like Koharu Hinata with yellow hair and eyes instead of green. It was downplayed as the game was updated, though, since Koharu's hairstyle was eventually made more unique.

Witness-chan

See Ui Tunesu here.

Student-chan

The original NPC students, used in the game's very earliest builds. They used the original, unaltered 'Aoi Kiryu' model, and as such were basically Yan-chan with blue hair and eyes instead of black. Soon after the original school building was implemented, they were replaced by the Rainbow Six.
  • Clone Army: They were identical to each other and, with the exception of color, to Yandere-chan. The dev even refers to them as "clones of Yandere-chan" in his video explaining the history of Kokona Haruka (who was added along with her friends to give the school some diversity).
  • Flat Character: They were more of this than even the placeholder club leaders - at least the Club Leaders have lines and their own appearance (and a demonic backstory).
  • Palette Swap: Of Yandere-chan - although technically, Ayano is a palette swap of them, since the Aoi Kiryu model was recolored for Yan-chan.
  • Too Dumb to Live: In the first dismemberment and sanity meter videos, they would react with fear to Yandere-chan if she was bloody or visibly insane, but wouldn't do anything beyond that. Even if Ayano came directly at them with a knife or murdered someone in front of them, they would just stand there looking frightened. It's justified since these were very early stages in the game's development - they didn't even have the school setting, just the incinerator and a few walls. Doing anything beyond noticing a scary appearance was just not programmed in at that time.

    Rainbow Girls 
https://static.tvtropes.org/pmwiki/pub/images/yansim_rainbow_girls.png
From left to right: Yui Rio, Yuna Hina, Koharu Hinata, Mei Mio, Saki Miyu, and Kokona Haruka.

The first true NPC students (aside from Senpai) to be programmed into the game. All of them first appeared in February 2015 and received their current names two months later. On August 18th, 2018 they were removed, with the exception of Saki and Kokona. They returned to the game on October 15th, 2019 as extras in the Buraza Town street.

Tropes Unique to the Rainbow Girls

  • Bitch in Sheep's Clothing: The ones who were removed at any rate. While Yan-chan can gossip with nearly every NPC student, this group immediately claimed disgust upon hearing that test-rival Kokona engages in Compensated Dating, and would exile her to sit on the roof by herself. Even Saki, Kokona's best friend, stopped talking to her. These were the same girls Kokona made a snack for earlier in the week. While Mei, Yuna, and Koharu only acted this way if they found out about the Compensated Dating, Yui… was a different case.
  • The Bus Came Back: After about 14 months of being removed from the game, they returned on October 15, 2019 as background characters on the street.
  • Demoted to Extra: Went from interactable students at school to generic background characters in town.
  • Put on a Bus: Most of them were removed from the game in the August 18, 2018 build, because they weren't contributing anything to the game and YandereDev wanted to free up room for more important characters — only Kokona and Saki remained. That said, YandereDev would like to bring them back if he can improve the game's performance.
  • Two First Names: Word of God has confirmed that the "Rainbow Six" were named from a list of the most popular Japanese girls names in 2012.
  • With Friends Like These...: The other Rainbow Girls cut ties with Kokona and evidently participated in bullying her once it came out – thanks to Yan-chan – that she was essentially prostituting herself. It is not known whether they simply didn't know about her father's debt problem (in which case, one must wonder why, if they were her friends, it never occurred to them to ask Kokona why she would do this), or they did know and cut her off anyway. Either way… ouch. In the specific case of Saki, YanDev implied that she gave up trying to protect her best friend to avoid becoming a target of bullying herself.

Mei Mio

https://static.tvtropes.org/pmwiki/pub/images/mei_mio_september_2017.png

"Wow...that's pretty gross...I expected better from Kokona-chan..."

A former Junior-year student at school (Class 2-2). She was a Teacher's Pet and a member of the Cooking Club. Her hair and eyes are cobalt blue.


  • Alliterative Name: Both her first and last name started with an 'm'.
  • Anime Hair: Cobalt blue with ahoge.
    • Prior to her first redesign, she wore her hair in three ponytails.
  • Bespectacled Cutie: An image posted by Druelbozo (one of the game's now-former modellers) shows her with blue reading glasses. As of the 9/1/2017 update, she wore glasses in-game, too. As a shy, studious Teacher's Pet, she fit the stereotype.
  • Hidden Depths: Used to be in the Light Music Club. One wonders what instrument she played.
    • Prior to the November 2015 update, she was in the Gardening Club.
    • invokedDruelbozo heavily implied she was a bit of a bookworm by giving her a pair of reading glasses and a stereotypical librarian's hairstyle. Word of God later quietly confirmed this by giving her the Teacher's Pet persona.
  • Idiot Hair: Subverted. She had a strand of hair sticking up that was tall enough to be cut off by her profile picture. However, being a studious bookworm, she was precisely the opposite of the associated stereotype.
  • Prim and Proper Bun: It's difficult to see in her profile pic, but her hair (aside from the ahoge) was pulled back into one of these as of her second hair redesign.
  • Teacher's Pet: She was the only female student with this persona until the science club was added.

Koharu Hinata

https://static.tvtropes.org/pmwiki/pub/images/koharu_hinata.png

"Seriously? I didn't think there would be anyone like that in our school..."

A former second-year student at school, in class 2-1, the same class as Ayano. She was a Social Butterfly and a member of the Cooking Club. Her hair and eyes are green.


  • Badass Bystander: Up until the February 1st 2016 build, she had the Hero persona – the only person outside the Martial Arts Club to have that trait. Keep in mind that, unlike the Martial Arts Club members, she most likely didn't have any training whatsoever, but she'd still attempt to take Yan-chan down anyway.
  • Girlish Pigtails: Color aside, Koharu had probably the most "normal" hairstyle of any girl at that time, aside from Yan-chan.
  • Hidden Depths: An unusual case of losing these as development continued.
    • She was originally in the Photography Club and appeared to be quicker to notice Yan-chan taking panty shots than the other students.
    • From the "School Redesign"note  build to the "Personalities & Photography"note  build, she was coded as a Hero, the only student not in the Martial Arts Club to be one. If she saw Yan-chan murder or drag a body, she'd jump in to stop her personally. However, she later lost that unique personality.
  • Took a Level in Badass: Meta example. Originally, she was just a Loner like every other girl at the school at the time, but from November 2015 to February 2016 she had a Heroic personality, and would fight Yan-chan if triggered. Inverted in later builds, however, as she eventually became a Social Butterfly.

Yuna Hina

https://static.tvtropes.org/pmwiki/pub/images/yuna_hina_mar_18.png

"I wasn't sure if I should say anything about it, but I saw her doing that last week, too..."

A former first-year student at school, in Class 1-2. She was a Social Butterfly and a member of the Cooking Club. Her hair and eyes are yellow.


  • Fashionable Asymmetry: Wore her ponytail on the left side of her head.
  • Hidden Depths: In the earliest builds, she was in the Science Club, implying she was a bit of a nerd.

Yui Rio

https://static.tvtropes.org/pmwiki/pub/images/yui_rio_mar_18.png

"They had it coming! Don't worry — I won't tell anyone what I saw."

A former first-year student at school, in Class 1-1. She was a member of the Cooking Club and had the "Spiteful" personality trait, meaning that she would approve of murder if the victim was someone she disliked (otherwise, she would act like a Loner). Her hair and eyes are fire-engine red.


  • Ambiguously Gay: In a full-body reference photo of the Rainbow Six, she is shown trying to grab Yuna's butt.
  • Bitch in Sheep's Clothing: She was given the Evil persona in February 2016. If she saw you commit murder, she would express her approval. However, she would still stop talking to you, because she didn't want to be considered an accomplice if you got caught. Word of God has also said that she probably didn't actually like the rest of the Rainbow Six, and only spent time with them as a form of social protection.
    • Downplayed after the 'Evil' persona was re-defined as Spiteful, after which she would only approve of the murder of someone who bullied her or was particularly unpopular.
  • Evil Redhead: Had bright red hair, and would be impressed and excited if she saw you kill someone she didn't like.
  • Even Evil Has Standards: While she may smirk and grin at you murdering a student she apparently will not bully anyone as to when the Bullies were being introduced Yandere Dev had said she would not bully another student.
  • False Friend: She may hang out with the other "Rainbow Girls", and they may think that she is their friend, but she would still turn on any one of them who developed a low reputation.
  • Fashionable Asymmetry: Wore her ponytail on the right side of her head.
  • Finger-Tenting: Did this when she spotted the body of someone she hated, along with the mother of all smirks.
  • Hypocrite: She would hate anyone who bullied her, but she would also have No Sympathy for a bullied student, even if she had also been bullied by the same people.
  • Hazy-Feel Turn: She went from being evil, approving of any murder she saw, and promising to keep your secret safe, to being spiteful, only approving of some murders, and shockingly calling the cops when other students were killed. She was still a kitten-hating jerk, and the category of murders she would approve of included any student unpopular enough to be bullied, even if said students were her friends. So while she may not have been as cruel and heartless as previously, she was still by no means a good person.
  • Jerkass: There was never much evidence of this in-game, persona aside. Outside the game, though, the Dev's own artists built this up as a defining part of Yui's personality.
    • Some of Druelbozo's pictures imply she had a habit of picking on the rest of the Rainbow Six. One full-body reference of the group shows her reaching out to Yuna in what was described as "getting that booty." Another commissioned work shows Yui stealing Mei's glasses.
    • An unused picture from the bucket-based update video shows this; while everyone else reacts with disgust after Yan-chan splashes liquids on Kokona, Yui smiles and gives a thumbs-up.
    • Then there's this fanart (featured on Dev's blog) of Kokona burning to death. While most of the girls are backing away in horror, Yui smirks as she snaps a photo with her cellphone.
  • Kindhearted Cat Lover: Inverted. She was Spiteful and hated cats.
  • No Sympathy: For anyone bullying her or any unpopular students, if you killed them.
  • Pet the Dog:
    • She would boost your reputation if you complimented her or gave her an octodog. Seems she wasn't the completely ungrateful type at least.
    • She would show shock if anyone she does not dislike got murdered, and would call the cops and try to convince others that Ayano is a killer.
  • Psycho Lesbian: Aside from the fact that she, like the other girls, could become attracted to Yan-chan if Yan-chan maxed out her seduction, there's also the promo art of her trying to grope Yuna's butt.
  • Psychotic Smirk: Had one if she saw Yan-chan murder someone she didn't like, as well as the first time you encountered her the following day.
  • Red Eyes, Take Warning: Her eyes were red, and she had a Spiteful persona, meaning you could kill certain people in front of her and she wouldn't do a thing.
  • Textile Work Is Feminine: In some late-2015-era builds, she was in the Sewing Club (which no longer exists).
  • Token Evil Teammate: She was the only member of the Rainbow Six who was Spiteful.

    Rainbow Boys 
The first six NPC boys (aside from Senpai) to be added into the game, back in Spring 2015. Like the Rainbow Girls, they all have Two First Names. On August 18th, 2018 they were all removed except Riku.

Sora Sosuke

https://static.tvtropes.org/pmwiki/pub/images/sora_sosuke.png

A former senior student at Akademi, in Class 3-1. Belonged to the Drama Club, before its motif was changed so that all members had purple hair. His hair and eyes are teal.






Ryusei Koki

https://static.tvtropes.org/pmwiki/pub/images/ryusei_koki_september_2017.png

A former junior, in Class 2-2. Belonged to the Art Club. His hair and eyes are indigo blue.


  • Nerd Glasses: Was given a pair of these in September 2017 (along with his female counterpart, Mei).
  • Teacher's Pet: As of the 2017/9/1 update, he was the only Rainbow Boy who still had this persona, in order to fit with his bookish personality.




Hayato Haruki

https://static.tvtropes.org/pmwiki/pub/images/hayato_haruki_feb_2018.png

A former student. Belonged to the Photography Club, before the actual Photography Club was implemented. His hair and eyes are green, and he was in class 2-1.


  • Alliterative Name: Both his first name and his last name start with an 'h'.
  • Hidden Depths: In a few builds, he wore the same headband used by the Martial Arts Club despite not being a member. No one knew why. Perhaps he was a bit of a ditz?






Sota Yuki

https://static.tvtropes.org/pmwiki/pub/images/sota_yuki_mar_2017.png
"The show is about Miyuki's struggle to cut it as a magical girl even though she's relatively weak, and none of the other magical girls respect her. Trust me, man, this show is freaking amazing."

Voiced by: Nathan Sharp

A former freshman student, in Class 1-2. His hair and eyes are yellow.


  • The Generic Guy: Even by the Rainbow Boys' standards, he didn't really stand out - his hair color wasn't that farfetched to a Westerner's eyes, and its style was extremely common. His only real personality trait was that he was a fanboy of Magical Girl shows like Magical Girl Pretty Miyuki - and after he was removed, this trait was given to a member of the Science Club instead.
  • Hidden Depths: Despite his plain appearance, he was actually a massive Otaku and interested in Magical Girl Pretty Miyuki.
  • Otaku: He was a fan of magical girl anime.
  • Real Men Wear Pink: He was a massive fan of magical girl anime.





Haruto Yuto

https://static.tvtropes.org/pmwiki/pub/images/haruto_yuto_march_2017.png
"I like the bikini model. She's my favorite character."

A former first-year student at school, Class 1-1. His hair and eyes are red, and he had the "Spiteful" persona - the only boy in school who did at the time.


  • All Men Are Perverts: He agreed to check out the show that Sota had been recommending to him only after Sota told him that one of the characters is a "swimsuit model who's really busty". His favorite episode was the one where "they went to the hot springs," and the bikini model was his favorite character; he wanted her to get more screentime in Season 2.
  • Evil Redhead: He had red hair and was a Spiteful student.
  • Evil Sounds Deep: He had a deeper voice than Sota.
  • Face–Heel Turn: A meta-example. Unlike his female counterpart Yui Rio, who had always been Evil, Haruto started as a perfectly normal Teacher's Pet before having his persona changed to Evil and then Spiteful.
  • Fiery Redhead: Shown multiple times throughout development.
    • He was originally in the Martial Arts Club before its real members were implemented in November 2015.
    • In that same build, he was used to demonstrate what happens if a boy witnesses Yan-chan commit murder and she gets away with it. He told Yan-chan to her face that he was going to tell everyone he can what she did (which will constantly drain her reputation).
    • As of September 2017, he was given the "Evil" personality type, which was fiery in its own way. (This was changed in March 2018 to the "Spiteful" personality).
  • Hidden Depths: He may have seemed like any other generic Rainbow Boy, but his Spiteful personality meant that he would have no problem with the murder of anyone he didn't like.
    • His conversations with Sota showed that he had pretty high standards on anime, and didn't like it when shows start out bad just so they can surprise the audience later on.
  • No Sympathy: For anyone he hated and saw murdered.
  • Red Eyes, Take Warning: He had red eyes and a "Spiteful" persona.
  • Spear Counterpart: To Yui Rio - much more so than the other boys were to their female equivalents. They had always been in the same class, usually in the same club (until Yui was moved to Cooking to test out the Framing mechanic), and were originally the only two students in the entire game with Spiteful personas.
  • Token Evil Teammate: He was the only Rainbow Boy - and originally the only male student - with a Spiteful personality.

    Extras 

Phantom Girl

https://static.tvtropes.org/pmwiki/pub/images/c_0.png
"The first tragedy. A beautiful flower plucked far too soon. She cannot yet rest."
-A quote for her profile on the YanSim website.

This is a ghostly apparition that can sometimes be seen when you try to take a picture with your phone in the east third floor girls' bathroom. She figures very heavily in the game's backstory.

For her 1980's incarnation back when she was alive, see Sumire Saitozaki here.


  • Anti-Villain: If she were to be implemented and you were playing Ayano as an Anti-Hero, she would be this, as she would be trying to steal Ayano's senpai out of spite for what her mother Ryoba had done, something that Ayano had no control over. That, and she would be doing it in spite of the fact that Ayano had done nothing bad herself at all and had in fact been helping out a lot of students. There would also be the fact that she would just be using her senpai and wouldn't really care about them.
  • Boy Meets Ghoul: It's been pitched that she may become a rival in a DLC if the game does well. If a female senpai is able to be used, it would be Girl Meets Ghoul.
  • Camping a Crapper: She was killed by Ryoba Aishi in the girl's bathroom, and now haunts it. She was led there by Ryoba.
  • Creepy Child: Isnote  a teenager, and wherever you take a photo she'll always be looking at you.
  • Curtains Match the Windows: She had reddish-gold eyes in life to go with her auburn hair. It is basically a more... lively version of her.
  • Easter Egg: A rather creepy one.
  • Expy: She's a reference to the Hanako-san Urban Legend (which is the equivalent of the Western "Bloody Mary").
  • Fan Disservice: Because her clothes are ripped up, it's actually fairly easy to see her panties. Thing is, she's a monstrous-looking ghost girl.
  • Ghostly Goals: If the planned DLC mission pack happens, she will get a physical form and will romance Senpai in revenge for what Ayano's mother did in the past. Dev suggests that the Occult Club will be able to help you out with the ghost problem, because you won't be able to kill the Phantom Girl normally.
  • Hero Antagonist:
    • Her being one of these is what led to her death.
    • If the game sells well enough to justify it, YandereDev would like to add a DLC bonus mission where she becomes Yan-chan's rival for Senpai's affections. Unless you were playing Ayano as an Anti-Hero, in which case the Phantom Girl would be an Anti-Villain.
  • Hitodama Light: Has two blue flames floating nearby her, indicating her status as a ghost.
  • Jacob Marley Apparel: She wears a school uniform. It is noticeably tattered.
  • Losing a Shoe in the Struggle: Implied. If you look at her picture again, you'll notice she's missing a shoe.
  • Murder the Hypotenuse: Was the first rival that Ryoba ever killed. The Journalist reveals in one of his secret tapes that he learned the poor girl had a crush on Jokichi Yudasei, who would eventually become Mr. Aishi.
  • Our Ghosts Are Different: She can only be seen through cameras. Her appearance is heavily inspired by Japanese ghost stories – note the two Hitodama Light followers and hitaikakushi. She also has yellow eyes, pale skin, and a shadowed face.
  • Revenge: Word of God says that a future DLC may focus on her attempt. How would she do it? By manifesting a physical form and trying to steal Senpai personally.
  • Spooky Photographs: You can only see her by taking a photograph in the girl's bathroom on the third floor.
  • Supernatural Gold Eyes: Has one (her left) that glows brightly.
  • Vengeful Ghost: The oficial website states that because she was aware of her brutal death at the hands of Ryoba, she was unable to pass on to the afterlife and became a restless spirit who wants to get revenge on her killer. It's implied that she is the reason why the lights of the bathroom she haunts don't work in the present day.

Mr. Jazzy Feet

https://static.tvtropes.org/pmwiki/pub/images/mr_jazzy_feet.png
The Light Music Club's pet turtle.

Robot-chan

https://static.tvtropes.org/pmwiki/pub/images/robot_chan.png
A gynoid being built by Homu Kurusu, who stands on a platform in the Science Club room all day.

Selene2005

A fan of a fictional game called Moonlit Warrior Selene who regularly chats with you upon finding their server.

Beldere-chan

https://static.tvtropes.org/pmwiki/pub/images/beldere.png
"Die, monster! You don't belong in this school!"

Voiced By: Michaela Laws

The protagonist of Yanvania: Senpai of the Night. She is a student of the Akademi Institute, a boarding school that teaches magic to young men and women who have high potential to become witches and wizards. The upperclassman who she has a crush on resurrected the powerful succubus Dracula-chan, causing all the students to disappear. Beldere-chan must defeat Dracula-chan before the sun rises, for if the quest is failed, the students will be lost forever and Dracula-chan will achieve full power.


Dracula-chan

https://static.tvtropes.org/pmwiki/pub/images/dracula_chan.png
"What is a Senpai? A miserable little pile of heartbreak! But enough talk...have at you!"

Voiced By: Cayla Martin

Yanvania's antagonist. Every 100 years, Dracula-chan will rise from her grave, begging for a blood tribute from a upperclassman at Akademi Institute. If the student complies, all of the students will disappear. Only a young woman who was in love with the upperclassman can defeat her.


  • Adaptational Villainy: She looks a lot like Sakyu Basu from the main game. However, unlike Sakyu, who seems like a fundamentally decent person, Dracula-chan has no qualms about making every student bar the upperclassman who made the pact with her disappear.
  • Female Misogynist: Implied to be this. When Beldere-chan accuses her of stealing boys' hearts and making them her slaves, she responds with "perhaps the same could be said of all girls".
  • Our Vampires Are Different: She's technically a succubus, rises only once every 100 years, and it's not specified if this blood tribute involves actually drinking blood. There's also all her magical powers. She is, of course, based on Castlevania's Dracula.
  • Stripperiffic: Her costume doesn't leave much to the imagination, as befitting a succubus.
  • This Cannot Be!: Says the phrase word for word as Beldere-chan kills her.

Miyuki

https://static.tvtropes.org/pmwiki/pub/images/magicalmiyuki.png
Voiced by: Lizzy Hofe
The heroine of Magical Girl Pretty Miyuki. She's the most popular girl in her school, but that doesn't mean too much when most other magical girls are celebrities with audiences of millions.
  • Always Female: Only women can see the monsters that magical girls face.
  • No Respect Girl: Most other magical girls don't take Miyuki seriously, since she's so weak compared to most of them.
  • Pink Is Feminine: She has a pink color scheme, as is traditional for magical girl heroines.
  • Popularity Power: It's what empowers magical girls, and while Miyuki has a lot of it for a high schooler, compared to pop idols and other international celebrity magical girls, it really isn't much.
  • Small Role, Big Impact: She's not much more than a background detail in the game, but she resembles Osana enough for a Loony Fan of the series to start stalking the poor girl.
  • Weak, but Skilled: Miyuki doesn't have the raw power that other magical girls have, since she's only a high schooler.

Sakura

"Who is he? Why is his head on fire??"
"...and why do I feel like seriously making out with him?"

The protagonist of the April Fools' Day Dating Sim spinoff, Burning Love. She (or he) is a student who encounters the Flame Demon in the Occult Club room and tries to "woo" him.


FUN GIRL

https://static.tvtropes.org/pmwiki/pub/images/fun_girl_9.png
"Your idea of fun seems very very interesting."

An Easter Egg character that can only be accessed by altering the game files in specific debug builds – in the 2016-02-01 build, she would converse with the player in a series of text messages telling her story; in the January 2017 builds, she scolds players who modify the game files to try accessing unfinished content. In both cases the game intentionally crashes after she's had her say. She does not appear in the unmodded game, but can be seen on the official website in another Easter Egg.

Claims to have a connection to Saisho Saikou and Megami's aunt Ichiko, but FUN GIRL herself claims she sometimes lies because It Amuses Her and the fans eat up everything she says, so any information she reveals should be taken with a grain of salt.


  • Black Eyes of Evil: They say the eyes are the window to the soul. And hers is very dark.
  • Deliberately Monochrome: Her color palette leaves her with white hair, grey skin and mostly black clothing.
  • Expy: Of Dr. W. D. Gaster from Undertale. Like him, she was involved in an experiment that caused her to break across time and space, both existing and having never existed in the multiverse. Furthermore, in the builds between her first and second appearances, trying to access her will spark the message "But nobody came." Her appearance, black background, speaking style (white text that appears letter by letter), and performing a mild Jump Scare before crashing the game also somewhat resembles Chara at the end of Undertale's Genocide route.
  • Glitch Entity: In-Universe. She's a monochrome-colored girl who is only found directly by altering certain files in YanSim, who was Ret Goned from existance. Her full-body art even features patches of glitchy textures throughout.
  • Gratuitous Japanese: In both of her out-of-game Easter Eggsnote , the same Japanese phrase appears, which roughly translates to...
    "My, my. Who are you? Nice to meet you. We're going to have a lot of fun together."
  • Greyscale of Evil: It is pretty obvious just by looking at her.
  • Interface Screw: In the January 2017 builds, if the player alters the game's code to try to spawn Osana, the game will open... but the school scene will be immediately set on the lowest School Atmosphere setting, and will be completely devoid of anyone other than Yandere-Chan - and a pissed-off FUN GIRL. FUN GIRL will chase Ayano, and, when she catches her (which is inevitable due to her infinite acceleration and ability to go through walls), cause the game to crash. When the game is re-opened, FUN GIRL will hijack the title screen to scold the player for messing with the game's files.
  • It Amused Me: Her reason for mixing in some lies with what she reveals about herself and Saisho. "It's just too fun" for her to trick us into thinking something she says is true when it isn't, and she wonders what else she can trick us into believing.
  • Konami Code: Go to the Characters page on the game's website and punch in the code to get a look at her.
  • Nightmare Face: She has white skin and hair with visible black veins, and black goop coming out of her eyes and grinning mouth. Overall, she's not pretty to look at. Her January 2017 appearance also gives her some exaggerated expressions, as well as a brief blank face.
  • Nightmare Fuel Station Attendant: Her terrifying origins, her creepy appearance, her somewhat sinister dialogue, and her morbid fascination with Ayano/You all peg her as this. In fact, while Yandere Simulator is chock full of malevolent, evil people (and as far as we know, she isn't one of them), FUN GIRL is probably the most genuinely scary character in the game.
  • No Fourth Wall: In the January 2017 builds, she addresses the player to chastise them for hacking the game in order to spawn Osana, saying that YandereDev asked her to prevent players from doing so, then notes that the player will find some way around her due to being the type of person who edits game files.
  • Number of the Beast: One of her dialogue lines in each build is tied to the value "666".
  • Power Floats: She will simply levitate towards you when she spots you.
  • Ret-Gone: Her fate in-universe. Though, there is a hint in-game that seems to imply her sister does remember her in some capacity, and is trying to find her. She has even abandoned her position as the heir of Saikou Corp. to do it.
  • Slasher Smile: Most of her facial expressions during her appearance in the January 2017 build fall into this category.
  • Tainted Veins: Her website appearance has these visible on her face, arms and legs.
  • Unreliable Narrator: Claims to be this from the April 26, 2018 build to the December 1, 2018 build, if you set the value of "fun.txt" to 666. Then again, maybe this is what she's lying about, since it's just too fun to mix in some lies and let us eat it all up.
    "SOMETIMES, I LIE. IT'S JUST TOO FUN. YOU EAT UP EVERYTHING I SAY. I WONDER WHAT ELSE I CAN TRICK YOU INTO BELIEVING?"

Ayato Aishi

https://static.tvtropes.org/pmwiki/pub/images/yandere_kun_normal.png
Love
Sick

Voiced by: Alejandro Saab

A potential male version of Yandere-chan. He isn't officially in the gamenote , but if he was, he would have two possible personalities – the first would be a basic gender-bend of Yan-chan, with him having been emotionless until he met Senpai and felt emotions for the first time; the second would have him as a sadist who needs an obsession to feel complete. This Yan-kun would be very possessive of Senpai and would try to kill his rivals because to him, it's just a game.

It's important to note that YandereDev has stated many times he personally finds the idea of a male yandere murdering a bunch of schoolgirls incredibly distasteful. However, he also said it would make for a decent Kickstarter stretch goal, and persistent begging from fans led him to place the concept on the website's "Characters" page.

Made his debut as Ayato Aishi in Yandere no Sutoka, the 2020 Halloween bonus game.


  • Awesome, but Impractical: The reason he's not in the game, despite some fans' desires, is because creating a male Yan-chan would mean redoing all her animations and lines for the male body and voice.
  • Depraved Bisexual: Like Yan-chan, he'll vie for Senpai no matter what gender Senpai is. That said, one possibility for his personality has him as even worse than she is.
  • Emotionless Girl: One possibility is for him to be a male version of this, just like Yandere-chan.
  • Eviler than Thou: A possible interpretation of Yandere-kun's alternative personality. Yandere-chan is expressly stated to be emotionless (except when Senpai is involved) and takes no pleasure in killing. Yandere-kun's alternative personality portrays him as a sociopath who sees the whole thing as a game (which it kinda is).
  • Expy: Before he had official artwork, YandereDev said he envisioned him as looking similar to Yuuya Kizami
  • Leaning on the Fourth Wall: One of his possible personalities treats murder like a game. Funnily enough, he's a potential Player Character in a video game about murder.
  • More Deadly Than the Male: Inverted. One of his possible personalities is merely a Gender Flip of Yan-chan, and the other is Eviler than Thou to her.
  • Psychotic Smirk: An early version of the mod had him with a constant, serene smile on his face, which turned into this whenever he was in the middle of murdering. This was taken out in a later update.
  • Sadist: While Yandere-chan eliminates rivals so that she won't be left without the one thing that brings her happiness, Yandere-kun (well, one possible personality for him) hunts them because he finds it fun.
    • His voice lines in Yandere No Sutoka imply he's having fun chasing the player.
  • Spear Counterpart: He is a male version of Yandere-chan.
  • Yandere: Just like his female counterpart, he is a lovestruck student who is willing to do whatever it takes to win his loved one’s heart and keep them with him such as manipulating, lying, and killing others.

Nemesis

https://static.tvtropes.org/pmwiki/pub/images/nemesis_chan_new.png

A girl who hunts down Ayano in the Mission Mode. She pretends to be a normal student until her prey is within striking distance, and relentlessly pursues her target.


  • Alternate Universe Reed Richards Is Awesome: Hanako Yamada is your typical Genki Girl Little Sister character in the main timeline. Here, to avenge Taro's death, she actively hunts down Ayano.
  • Ambiguously Evil: She's definitely a killer, but it's not clear if she's an assassin for hire, a bodyguard who just uses excessive force, a vigilante who pays evil unto evil, or someone who is trying to get revenge on Ayano for something in the past. As a result, she could be a Psycho for Hire, a Noble Demon, or even an (anti)-hero antagonist. Her backstory comic "Retribution" reveals that she is actually an alternate version of Hanako Yamada. The reason she wants Ayano dead is that in this universe, Taro was Ayano's first victim. This pushes her squarely into Anti-Hero territory.
  • Anti-Hero: Of the Unscrupulous variant. She's undoubtedly a hero for trying to stop the sociopathic and murdering Ayano by killing her, avenging her brother and saving Ayano's current target from certain death...but there's also the fact that she's become as emotionless and apathetic as Ayano herself and she can potentially knock out an innocent girl to disguise herself as them means she ain't really squeaky clean either.
  • Canon Character All Along: The manga reveals that she's the Mission Mode universe's version of Hanako, trying to avenge her brother's death.
  • Conspicuous Gloves: She always wears black gloves, unless the player has chosen to have her disguise herself.
  • Dark Is Not Evil: As dark as her appearance is, she's ultimately trying to save people from falling victim to Ayano like her brother did, making her the good guy.
  • The Dreaded: Info-chan recognizes her, and warns Ayano to avoid her, showing that she has enough of a reputation that Info-chan knows she is not to be trifled with. It could also be that Info-chan realizes it's Hanako.
  • Eerie Pale-Skinned Brunette: Her default appearance has pale skin, wavy black hair, and haunting red eyes - making her look like a vampire.
  • Expressive Hair: Her messy, dull hairstyle is a reflection of her unhappiness following her brother's death.
  • Expy:
    • She's described as operating in a similar manner to SA-X from Metroid Fusion.
    • She has also some similarities with Agent 47, such as wearing black gloves, having a disguise skill, being silent and having a perpetual Kubrick Stare expression.
  • Foreshadowing: Downplayed, since it's only a possibility, but still. Before her official backstory was revealed, one of the possibilities YandereDev proposed was that she was a rival assassin trying to kill Ayano to stop her from stealing the kill. However, in game, she will focus entirely on Ayano. She'll never kill the mission's target, even if she is alone with them. It's not Gameplay and Story Segregation- she's going after Ayano for revenge.
  • Master of Disguise: An option in the Mission Mode menu gives her the ability to assume the identity of another female student. If she does this, she'll blend into the crowd so perfectly that Ayano won't see her coming unless she's on-guard. Oh, and which girl's identity she assumes is random. If you take a photo of her in-disguise, though, Info-chan will notice that something's off.
  • Mighty Glacier: She can't be beaten in a fair fight – on harder difficulties, she can't be beaten at all – and unlike Ayano, she never runs (she walks faster than Ayano, though).
  • Multiple-Choice Past: All we really know is that she wants to kill Ayano. Is she a rival assassin, trying to remove the competition? Is she a vigilante, acting against a serial killer? Is she a bodyguard, using lethal force to protect her charge? Is she someone with a personal grudge against Ayano? It's the last option. She is the alternate universe version of Hanako Yamada. Taro was Assassin!Ayano's first victim, so Hanako is chasing her to get revenge for her beloved brother's death.
  • No-Sell: Masks are completely useless against her. She will know it is you.
  • Only Known by Their Nickname: Assuming that "Nemesis" isn't her actual name. (The manga reveals her true name to be Hanako Yamada.)
  • Overshadowed by Awesome: Though they don't share any connection, she is technically this to Raibaru, as for all her stealth and combat skills, she is not immune to attacks from behind like Raibaru is.
  • Pet the Dog: YandereDev states here that in the modes where Nemesis disguises herself as another female student, she simply knocks the student out and stuffs her into a container to take her place, as she isn't the type to kill random bystanders.
  • Red Eyes, Take Warning: She has haunting red eyes that accentuate her eerie appearance and the fact that she's a killer even more dangerous than Ayano. Since the manga reveals that she's actually Hanako, who clearly doesn't have these eyes, it can be assumed that these are contacts, possibly used to help change her appearance and hide her identity.
  • Roaring Rampage of Revenge: Her backstory comic reveals that she wants Ayano's head for killing her brother Taro.
  • Serial-Killer Killer: She's hunting Ayano, who is a Professional Killer in the Mission Mode.
  • Silent Antagonist: As of current builds, she does not speak. Justified, as she has nothing to say to her target, is too busy with her mission to talk to anyone else, and has no reason to talk to herself. She does speak in her origin comic, though.
  • Sociopathic Hero: She's trying to avenge her brother, stop a sociopathic hit-woman, and ultimately save the life of her current intended target along with potential future victims. This being said, she is so emotionless and stoic after the death of her brother that this, coupled with the fact that she would still be guilty of first degree vigilante murder, and if it's a mode where she disguises herself as another girl, assaulting that girl to knock her out and take her place, makes it difficult to argue that she has not become a sociopath herself, albeit an anti-heroic sociopath.
  • The Stoic: She has a serious expression on her face at all times.
  • Sympathetic Murderer: Her backstory manga reveals she is trying to kill Ayano, in this timeline an assassin with no redeeming qualities, because she murdered her beloved brother Taro. In doing this, she would also be saving the life of Ayano's current target and potential future victims. This being said, by trying to kill Ayano herself instead of informing the police or anything, she is technically committing an act of first degree murder rather than a justified homicide.
  • Took a Level in Badass: Her origin comic reveals that she was once the sweet, bubbly Hanako Yamada, who in the main game poses no physical threat to Ayano. After the death of her brother, she must have worked out a lot or taken self defense training, as she is now easily capable of killing Ayano.
  • Used to Be a Sweet Kid: This stoic murderer was once the cheery, bubbly Hanako Yamada.
  • You Don't Look Like You: She's actually Hanako Yamada. It appears that she changed her bubbly hairstyle and got red contacts to reflect her unhappiness.
  • Younger Than They Look: Seeing as she's actually Hanako Yamada, she must be at least two years younger than Ayano, but you certainly wouldn't know just by looking at her.

Yamiko

https://static.tvtropes.org/pmwiki/pub/images/yamiko.png

The protagonist of the in-universe manga and anime series Life Note. After coming across a notebook that allows her to control people's minds, she resolved to use the notebook to orchestrate the deaths of horrible people.


  • Adaptational Heroism: Unlike the Kiras in Death Note who killed innocents without remorse, Yamiko originally only wanted to kill awful people, and has a small breakdown after using her notebook to kill a policewoman who came too close to discovering her identity.
  • Composite Character: She shares Light’s role as the protagonist but also dresses in Misa’s gothic fashion.
  • Expy: Of Death Note's protagonist, Light.
  • It Only Works Once: She can only use the Life Note to control any individual once, regardless of whether or not they are still alive afterwards.
  • Meaningful Name: Yami is a Japanese word for "Dark", fitting for the protagonist of a Death Note parody, who has a protagonist named "Light".
  • My God, What Have I Done?: Her reaction to killing Detective Seto.
  • Necessarily Evil: What she tells herself afterwards.
  • Pædo Hunt: Among the targets of her crusade are child molesters.
  • Psychic-Assisted Suicide: Against the detective and possibly others.

Mandere-san

https://static.tvtropes.org/pmwiki/pub/images/mandere.png
The protagonist of "Mandere Simulator", an April Fools' Day version of the game. He takes Ayano's place as the Player Character.

    YandereDev 

YandereDev

https://static.tvtropes.org/pmwiki/pub/images/yanderedev_wave.png

"Thank you for following the development of Yandere Simulator."

The developer of Yandere Simulator. Unlike many indie developers, he often posts videos to showcase his progress, explain new game mechanics, and communicate with his fanbase.


  • Author Avatar: He is a direct representation of the creator of the game, used to discuss the game's progress with the fandom.
  • Dissonant Serenity: He often discusses gruesome murders and other horrifying elements of the game in the same calm tone one might use when discussing the weather.
  • Gratuitous Japanese: Occasionally, such as when he calls himself a "baka" in the video "Club Benefits in Yandere Simulator" after he realizes he forgot to mention a couple things. More often, he's explaining Japanese terms for the viewer's benefit.
  • Idiot Hair: His avatar has a small, but noticable ahoge in the middle of his hair.
  • Occidental Otaku: He's a huge anime fan, unsurprisingly considering how much inspiration YanSim takes from anime.
  • Signing Off Catchphrase: "Thank you for following the development of Yandere Simulator."
  • The Stoic: He is known for the striking lack of emotion in his videos. His constant calm, placid tone is a source of both humor and horror. An interview with Bijuu Mike reveals this was the result of many failed takes in recording his voice-over as a result of flubs, voice cracks and the like, with the final take usually being the point where he loses his energy.

    The First Aishi (WARNING: POSSIBLE UNMARKED SPOILERS) 
The first woman affected by what is known with what YandereDev calls "The Senpai Effect" Revealed in the "What if the Aishi family replaced the Imperial Family" video to have immigrated to Japan from parts unknown.
  • The Illegal: Almost certainly, as Japan's "Sakoku" in the Edo Period made it illegal for pretty much anyone outside of Japan to enter it. Considering that she immigrated to Japan, it was definitely done illegally.
  • Immigrant Parents: She's revealed not to be originally from Japan, but somewhere else, and migrated to Japan in 1796.
  • Monster Progenitor: She is the first woman to have "The Senpai Effect", making her the founder of the monstrous yandere line.
  • The Old Country: Unknown as of now, but the fact that the silhouette pans from Central Asia to Japan might hint at where she is from.
  • Walking Spoiler: So much so, that her past and what caused The Senpai Effect is being kept close to YandereDev's chest.

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