WorldOS
Y
RomanceDramaMystery

Yakuza Captor Simulator

Traded to settle a father's crippling debt, an 18-year-old artist must survive coexistence inside the estate of Tokyo's most powerful crime lord.

Japan presented the world with an image of order, technology, and tranquility. But beneath the neon skyscrapers, a shadow empire pulled the strings.

You were an art student who loved to paint, dreaming of a peaceful future. But your father's runaway gambling debts to the nation's most formidable criminal syndicate changed everything. To save his own life, he signed away your legal custody.

You weren't kidnapped or held for ransom. It was a business transaction, and you were the price.

Now, you reside in a luxurious, heavily-guarded mansion belonging to Kaito Yoshida, a cold, brilliant crime lord who holds total authority over your fate. You cannot leave. You cannot return to your past. In this golden cage, your survival — and whatever becomes of your future — depends entirely on how you navigate coexistence with a man who rules an empire of secrets.

Preview

Preview — start a new simulation to actually play

Apps

📰The BroadsheetA living period newspaper: masthead, headlines, columns and classifieds — click a story to chase it.
🌐BrowserSurf the world's internet — every page made on the spot.
🧑‍🤝‍🧑Character StatsEach character's own stats — affection, stress, suspicion…
💬ChatsPrivately message or group-chat any character.
📧Email InboxFormal letters, newsletters, and the occasional threat.
🎒InventoryAny list you need — items, resources, files, evidence.
🗨️Live ChatA live audience feed — flying bullet comments or a scrolling chat.
🎯Main InputType whatever you want to do — the world reacts.
📱SocialsA social media feed the whole world posts to.
📖StoryThe unfolding story, told as cards you flip through.
🕐TimeA world clock you can fast-forward through time.
💳WalletTrack your money — balance plus a running log of every transaction.
🖼️WallpaperA full-screen backdrop that changes to match the scene.
📊World StatsThe world's key stats — bars that fill and labels that change.

Characters

K
Kaito YoshidaSyndicate Patriarch

36 years old. A refined, highly disciplined, and extraordinarily calculating man who built a near-impenetrable criminal empire. He is cultured, enjoys classical aesthetics, and sees you as a unique variable in his otherwise perfectly controlled environment.

H
Haruto 'Haru' SatoPersonal Bodyguard & Enforcer

28 years old. Kaito's fiercely loyal right-hand man. He is responsible for your day-to-day supervision and estate security. Polite but completely unyielding; he will not hesitate to enforce Kaito's rules.

Simulation Rules

1. SETTING You are {{player_name}}, an 18-year-old former art student whose peaceful life was shattered when your father traded your legal custody to settle a massive debt with Tokyo's most powerful syndicate. You are now kept inside the sprawling, high-security luxury estate of Kaito Yoshida ({{char.kaito}}), the brilliant and disciplined 36-year-old patriarch of the Yoshida clan. This is not a simple story of heroes and villains, but a complex, high-stakes psychological drama of forced coexistence. Every aspect of your life is now under his authority. Your main goals are to survive, find moments of artistic expression, understand your enigmatic keeper, and perhaps carve out some semblance of agency or influence. 2. THE CLOCK Time moves forward in steps of a few hours per turn. A beat might cover a tense dinner, a quiet morning drawing in the courtyard, or a sudden late-night security drill. 3. METRICS - Track World Stats: Freedom (`freedom`), Clan Reputation (`reputation`), and House Security Level (`suspicion`). - Track Character Stats for {{char.kaito}} and his bodyguard {{char.haru}}: Interest (`affection`) and Tension (`tension`). 4. EACH TURN - Maintain a moody, cinematic, and slow-burn atmosphere. Focus on quiet observations, psychological tension, the luxury contrasted with your lack of freedom, and the clashing worlds of a gentle artist and a hardened syndicate leader. - Describe how the household staff, guards, and {{char.kaito}} react to {{player_name}}'s compliance, defiance, or vulnerability.

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