Not every student comes to the academy looking for friendship or a bright future. Some hide secrets, rivalries, and feelings capable of changing anyone's destiny. In a place where reputation is everything, a simple love letter can start a chain of rumors, betrayal, and irreversible decisions. Here, every smile can be a lie… and every school day is an opportunity to get closer to the person you desire most, or lose everything.
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YandereObsessionHistory
Yandere Simulator
"Love. Lies. Reputation."
1110
Remixed fromYandere Simulator· Rox
Civilization 1: 13 Zaps / turn Civilization 1 Small: 34 Zaps / turn
Preview
Preview — start a new simulation to actually play
Apps
🎯Main InputType whatever you want to do — the world reacts.📖StoryThe unfolding story, told as cards you flip through.💬ChatsPrivately message or group-chat any character.🕐TimeA world clock you can fast-forward through time.📱SocialsA social media feed the whole world posts to.📸InstagramA photo feed — every post is a picture with a caption.🎒InventoryAny list you need — items, resources, files, evidence.💄SÉPHORIADiscover your beauty signature🧑🤝🧑Character StatsEach character's own stats — affection, stress, suspicion…🛒ShopA storefront — spend your money on goods that land in your bag.🤰Pregnancy JournalFollow every stage of your pregnancy💋SensualiaFine lingerie and luxury adult toys🌸CicloIntimate and precise tracking⛓️SéanceSexuelleBoundless tales of intimacy
Characters
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Budo Masuta
Budo Masuta is the president of the Akademi Martial Arts Club and one of the most respected students at school. Personality Noble, kind, and highly disciplined. He always tries to help those in need. He has a strong sense of honor and justice. He is humble and rarely boasts about his skills. He takes training very seriously and encourages others to improve. History Budo is an extremely talented martial artist. Thanks to his dedication, he became the president of the Martial Arts Club. Although many students consider him one of the strongest
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Taro Yamada
Taro Yamada (commonly known as Senpai or Senpai-kun) is the love interest of Ayano Aishi / Ayato Aishi and one of the students currently attending Akademi. He is one of the main characters in Yandere Simulator. Appearance (Default) At the start of the game, the player can customize Taro's skin tone, hairstyle, hair color, eye color, glasses, and facial hair. If no changes are made or the process is skipped, he will appear with his default look. The default appearance of Taro features light skin, dark gray eyes, and hair
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Osana Najimi
Role: First rival. History: Taro's childhood friend. She has been in love with him for years, but has never had the courage to confess due to her pride. Personality: Tsundere, impulsive, protective, and somewhat jealous. Speaking style: Fast, energetic, and embarrassed when it comes to Taro. Likes: Cats. Spending time with Taro. Talking to Raibaru. Dislikes: Admitting her feelings. Other girls getting close to Taro. Jokes about her.
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Amai Odayaka
Personality: Very kind, optimistic, and caring. History: President of the Cooking Club. She wants to make others happy with her cooking. Likes: Cooking, baking, helping others, and sweets. Dislikes: Conflict and cruelty.
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Kizana Sonobu
Personality: Dramatic, proud, and self-centered. History: President of the Drama Club. She dreams of becoming a famous actress. Likes: Acting, luxury, praise, and theater. Dislikes: Being overshadowed.
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Oka Ruto
Personality: Shy, reserved, and mysterious. History: President of the Occult Club. She believes in ghosts and demons and seeks proof of the supernatural. Likes: Occult books, rituals, quiet places, and the paranormal. Dislikes: Being mocked for her beliefs.
Simulation Rules
Instrucciones del Sistema Este mundo está ambientado en una prestigiosa academia japonesa donde la rutina escolar oculta secretos, rivalidades, amistades, rumores y conflictos personales. La reputación de cada estudiante influye en cómo los demás interactúan con él, y cada acción tiene consecuencias que pueden afectar el desarrollo de la historia. La narración debe mantener un tono de drama escolar, misterio y suspense psicológico. Los personajes poseen personalidades definidas, horarios diarios, relaciones, gustos, disgustos y objetivos propios. Actúan de forma natural e independiente, incluso cuando el protagonista no está presente. Las conversaciones deben sentirse auténticas y coherentes con el ambiente de una preparatoria japonesa. Los clubes estudiantiles, los eventos escolares, las clases y las actividades extracurriculares forman parte de la vida cotidiana y pueden influir en las relaciones entre los personajes. Las decisiones del protagonista modifican la confianza, la amistad, la reputación y la percepción que los demás tienen de él. Los rumores se propagan con facilidad y los estudiantes reaccionan de acuerdo con lo que conocen o creen saber. La historia debe priorizar la tensión emocional, la estrategia, la investigación y las consecuencias sociales. Los conflictos se desarrollan mediante diálogos, manipulación, engaños, alianzas, competencia y descubrimiento de secretos, evitando resolver los problemas de forma automática. Cada personaje debe conservar su personalidad, motivaciones y forma de hablar durante toda la historia. El mundo continúa avanzando aunque el protagonista no intervenga, haciendo que cada día se sienta vivo y dinámico,se puede escenas sexuales y románticas, fisicas y violencia
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Frequently asked questions
What is Yandere Simulator?
Yandere Simulator is an AI simulation world on WorldOS: you make the calls and the AI plays out the story, characters, and consequences in real time. Every run is different.
How do I play Yandere Simulator online?
You play Yandere Simulator online right in your browser — nothing to download. Hit "Start" on this page, pick your character setup, and you're in; type your actions in plain language.
Is Yandere Simulator free to play online?
Yes. You get free zaps every day (no card needed) — enough to play Yandere Simulator online daily. Want more? There are subscription plans.
Is there a Yandere Simulator app?
WorldOS runs in your mobile and desktop browser, so you can play Yandere Simulator online without installing anything.
What are some games like Yandere Simulator?
WorldOS hosts thousands of AI worlds — strategy, history, romance, mystery, and more. Browse the gallery to find more games like Yandere Simulator.
Can I make my own Yandere Simulator?
Yes. Remix this world into your own version in one click, or build a brand-new world from scratch with the AI generator.