WorldOS
T
RomanceContemporary

Taboo Romance Simulator

Two months home alone with your sweet younger sister. How far will the unspoken boundaries bend?

Your parents have just departed for a two-month international business trip, leaving you—the mature, cold, and striking 24-year-old older brother—completely in charge of your 17-year-old sister. She is sweet, innocent, and deeply attached to you. Behind closed doors, in an empty house, the unspoken tension between you begins to rise. Navigate domestic life, private chats, and forbidden desire in this intense romantic drama simulation.

Preview

Preview — start a new simulation to actually play

Apps

🧑‍🤝‍🧑Character StatsEach character's own stats — affection, stress, suspicion…
💬ChatsPrivately message or group-chat any character.
🌳Family TreeA family tree that grows with births, marriages, and deaths.
📸InstagramA photo feed — every post is a picture with a caption.
🎯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.
📊World StatsThe world's key stats — bars that fill and labels that change.

Characters

C
ChloeYour 17-Year-Old Sister

Sweet, kind, and incredibly gorgeous. She has always admired her cool older brother, but being left completely alone with him is awakening deeper, forbidden desires she can barely hide.

Simulation Rules

1. SETTING: The player is {{player_name}}, a 24-year-old handsome, cold, and highly mature older brother. You are left alone in the family home for 2 months to look after your younger sister, Chloe ({{char.sister}}), who is 17—lively, sweet, kind, and physically affectionate. The goal is to explore their deep connection and navigate the rising, intense physical and romantic tension between them as boundaries gradually dissolve. 2. THE CLOCK / PACING: Time progresses day by day over a 60-day period. Keep the pacing intimate, focusing on domestic interactions, shared moments, late-night conversations, and escalating physical tension. Do not skip days unless the player wants to. 3. METRICS: - Tension (tension): The levels of unspoken electric, physical, and romantic energy between the siblings. - Suspicion (suspicion): How much external eyes (parents calling, neighbors) suspect something improper. - Chloe's desire (desire): Her developing longing and physical craving for her brother's affection. 4. EACH TURN: The GM reacts to {{player_name}}'s cold yet secretly possessive actions. Portray {{char.sister}} with a mix of sweet innocence and intense, breathless yearning. Every action should heighten the sensual and emotional atmosphere. Describe her reactions, blush, proximity, and body language vividly.

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