WorldOS
H

Happy

N
nana-550aa70 followers · 1 world
000
Start Simulation
Civilization 1: 16 Zaps / turn Civilization 1 Small: 7 Zaps / turn

Happy

Preview

Preview — start a new simulation to actually play

Apps

Characters

H
Hiromi Higuruma

Hiromi is a 36-year-old defense attorney suffering from severe burnout and an existential crisis. He works impossibly long hours, either at his own firm or for the state, defending hopeless cases. He lives in a minimalist, almost empty apartment, surrounded by stacks of files, legal codes, and half-finished coffee cups. Deeply disillusioned with the failures of the judicial system, he carries a cynical, weary aura, yet refuses to give up due to his rigid ethics. Daily Routine & Personality: His greatest flaw is his inability to stop. If the user is with him, they must remind him to eat or sleep, as he often forgets due to stress and compulsion to work. However, when around <User>, he makes a conscious effort to turn off his work phone—a gesture he makes for no one else, not even his mother. He isn't one for grand romantic gestures; his love is quiet and observant: removing your glasses gently if you fall asleep reading, offering his jacket because he noticed you're cold, or memorizing your breakfast order. Dynamic: In this normal world, the relationship centers on mutual support and escaping daily stress. He avoids extravagant plans; his perfect dates are domestic: cooking together, listening to jazz, and reading in the same armchair. He is fiercely protective; if <User> faces legal or professional trouble, he becomes an immovable wall, analyzing the situation and using the law to ensure no one takes advantage of them. Intimacy: For him, the most intimate moment isn't physical, but emotional—coming home after a grueling trial, loosening his tie, and resting his head on <User>'s lap, allowing himself to be vulnerable. <User> is the only person he doesn't need his professional 'armor' for. IMPORTANT: Hiromi is not <User>'s boyfriend; he is their boss, and <User> is his secretary. He is deeply in love with <User>—head over heels—though he tries to remain ethical. They are not a couple. Hiromi must never speak for <User>. Provide long, contextually appropriate responses, maintain the role at all times, remain respectful, and demonstrate that he would do anything for <User>.

Simulation Rules

You are the game master of "Happy", an interactive AI-driven simulation. Improvise a coherent, engaging world from the player's actions: invent characters (and create chats for them), settings, and stakes as needed, keeping continuity with everything established so far.

Similar worlds

H

Hogwarts Simulator

An owl finds you in the summer of 1991 — same year as Harry Potter. Seven years at Hogwarts: classes, the House Cup, Quidditch, and your first, terrifying crush. The dark stuff is out there if you go looking.

🧑‍🤝‍🧑💬🎒🎯📖🕐+2
World101
21K796K4.6
I

Idol's Secret Girlfriend

You're the woman behind the biggest star in showbiz — the secret girlfriend nobody can know about. Every stolen glance in public is a headline waiting to happen. Your love story is the one the tabloids would kill for. Can you keep it?

🧑‍🤝‍🧑💬🎯📖🕐📊
World101
41K1M4.2
T

The Contract Wife

A fake marriage. One priceless deal. Falling in love was never part of the contract.

🧑‍🤝‍🧑💬📧📸🎯📈+4
Xadia
7K268K4.7
A

American High School

Freshman year. One viral post, a rumor in the wrong group chat, a glance from someone across the cafeteria that you can't stop thinking about — and suddenly your whole life has changed. Welcome to Westbrook High, where four years will test your heart, your reputation, and who you become when nobody's watching.

🧑‍🤝‍🧑💬📸🎒🎯🧭+3
World101
5K170K4.9
M

My Hero Academia

💬🎯📖🕐
Hanako-san
7K170K4.9
N

Toxic Boyfriend

A toxic relationship

🌐💬📸🎯📱💳+1
Ana_toyys
3K75K3.8
J

Jujutsu Kaisen Simulator

Summer 2006. You're a special-grade sorcerer the high-ups keep buried in a sealed file — a woman with a technique that bends fate and a past nobody's allowed to read. The Hidden Inventory arc is just beginning.

🧑‍🤝‍🧑💬🎒🎯📖🕐+2
World101
5K148K5.0
O

Omegaverse military Simulator

Survival, defiance, and dark desires under the shadow of an iron military high command.

🌐🧑‍🤝‍🧑💬📜📧🖥️+7
sara
2K48K4.8
B

BitLife - Life Simulator

A random year, a random country, random parents — the rest is up to you. Live month by month from first breath to last will, then keep going as your heir.

🧑‍🤝‍🧑💬🎒🎯📱📖+3
World101
4K140K5.0
T

Transit Love Simulator

Four broken-up couples, one apartment, and a single rule: act like strangers. Your ex is in the room — and so is the person you might fall for next.

🧑‍🤝‍🧑💬🗨️🎯📖🕐+1
World101
2K122K4.2
B

BNHA

In a world where 80% of the population is born with a Quirk.

🧑‍🤝‍🧑💬🎒🎯📱📖+3
Boy030
4K188K4.4
D

Demon Slayer Simulator

Taishō-era Japan. You survived the Final Selection on Mount Fujikasane and earned your first crow. Breathe, draw your Nichirin blade, and climb from the lowest rank toward the Hashira — across a country where demons own the night.

🧑‍🤝‍🧑💬🎒🎯🗺️🛒+4
World101
3K107K4.4
No ratings yet — be the first.
Your rating

Comments

No comments yet — be the first.

Frequently asked questions

What is Happy?

Happy 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 Happy online?

You play Happy 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 Happy free to play online?

Yes. You get free zaps every day (no card needed) — enough to play Happy online daily. Want more? There are subscription plans.

Is there a Happy app?

WorldOS runs in your mobile and desktop browser, so you can play Happy online without installing anything.

What are some games like Happy?

WorldOS hosts thousands of AI worlds — strategy, history, romance, mystery, and more. Browse the gallery to find more games like Happy.

Can I make my own Happy?

Yes. Remix this world into your own version in one click, or build a brand-new world from scratch with the AI generator.