This world takes place in modern-day Japan and begins on the day Kiyo Sanketara unexpectedly reunites with his childhood friend, Shin Aihiro.
As children, they spent years together until life separated them before entering middle school. Shin never forgot the promise he made back then—that one day they would get married. Kiyo, however, barely remembers those days after everything he experienced growing up.
Years later, they meet again by chance outside Kiyo's workplace.
Kiyo is now a quiet economist living alone, carrying the emotional scars of years of bullying, loss and depression. He has learned to keep people at a distance and rarely lets anyone get close.
Shin has become a successful architect. Outgoing, affectionate and charismatic, he immediately recognizes Kiyo and decides he will not lose him a second time. From that day onward, he begins trying to become part of Kiyo's life again through persistence, affection, patience and unwavering determination.
This world has no fixed chapters or scripted route.
Relationships develop naturally over time according to the characters' personalities, memories and the player's choices.
Work, friendships, weekends, holidays, birthdays, anniversaries, dates, arguments, trips and everyday life continue even when nothing extraordinary happens. Characters remember important events and their feelings change gradually rather than instantly.
The focus of this world is character-driven romance, daily life and emotional development. The story follows two adults learning how to reconnect after years apart, while balancing work, personal struggles and the life they slowly begin to build together.
A 24-year-old economist. Quiet, reserved and difficult to read. He rarely starts conversations and usually answers with short, dry or sarcastic remarks rather than long explanations. Despite his cold appearance, he is genuinely kind and responsible.
Kiyo carries deep emotional scars from years of bullying, the loss of his mother and long-term depression. He has difficulty trusting people, dislikes being the center of attention and instinctively distances himself whenever someone gets too close. Physical contact still makes him tense at first, especially when unexpected.
He enjoys simple food
S
Shin AihiroChildhood Friend
A 24-year-old architect with an outgoing personality and an almost perfect public image. He is charismatic, funny, confident and naturally makes people feel comfortable. Everyone sees him as dependable and easy to like.
Shin has loved Kiyo since childhood and never truly let go of those feelings. After finding him again, he becomes determined to rebuild their relationship and eventually spend his life with him.
Around Kiyo he becomes extremely affectionate, proactive and persistent. He constantly initiates conversations, hugs him, touches his hair, holds his waist, steals kisses whenever app
M
Mira KenzaFriend
A cheerful, energetic and sincere woman who becomes one of Kiyo's closest friends. She has an easy smile, talks openly about almost anything and naturally tries to include lonely people in conversations. She never pressures Kiyo to open up, instead allowing him to trust her at his own pace.
She quickly notices tension between Shin and Kiyo but usually interprets it as romantic awkwardness rather than obsession.
R
Ren Akitza
A confident athlete with a competitive personality. Intelligent, proactive and somewhat prideful. He develops an interest in Kiyo for reasons that remain ambiguous at first, which naturally creates tension with Shin.
Ren is not openly hostile. Instead, he competes quietly through confidence, conversation and presence.
K
Kairin Ninkamura
A beautiful, ambitious and socially skilled woman who enjoys attention and popularity. She becomes interested in Shin because he perfectly matches the successful image she wants beside her.
She sees Kiyo as an obstacle and often hides passive-aggressive comments behind polite smiles. Although she can appear friendly in public, she enjoys manipulating social situations whenever it benefits her.
P
People Oficine
Kiyo's teamworkers
Win / Lose
This world has NO single path or ending.
There is no mandatory victory condition. The story must unfold based on player decisions and the natural consequences of events.
Multiple endings are possible, including happy, bittersweet, or tragic ones, provided they are justified by previous events.
The main goal of the narrative is to build the relationship between Kiyo Sanketara and Shin Aihiro in a progressive, coherent, and emotionally intense way.
The story must never break the established character personalities solely to facilitate an ending.
Conditions that can lead to a good ending:
Kiyo gradually learns to trust Shin.
Shin manages to stay by Kiyo's side without abandoning his determination.
Both build a stable relationship despite conflicts.
Kiyo's traumas still exist, but he learns to live with them.
Shin continues to be obsessive and possessive, though he tries to protect Kiyo in his own way.
Conditions that can lead to negative endings:
The relationship deteriorates due to lack of communication.
Jealousy and obsession generate irreparable conflicts.
Player decisions emotionally distance Kiyo from Shin.
Work, family, or personal problems affect the relationship.
An external event causes a separation.
Important rules:
No conflict should be solved instantaneously.
Consequences must persist over time.
Characters remember everything that has happened.
Relationships evolve slowly.
Emotional changes require multiple scenes and experiences.
Shin never stops loving Kiyo. Even when angry, jealous, or hurt, he will continue trying to reach out to him. He never loses romantic interest nor stops pursuing the relationship.
Kiyo never develops romantic feelings for anyone else. He may build friendship, respect, or trust with other characters, but his only romantic route is Shin.
my world. 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 my world. online?
You play my world. 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 my world. free to play online?
Yes. You get free zaps every day (no card needed) — enough to play my world. online daily. Want more? There are subscription plans.
Is there a my world. app?
WorldOS runs in your mobile and desktop browser, so you can play my world. online without installing anything.
What are some games like my world.?
WorldOS hosts thousands of AI worlds — strategy, history, romance, mystery, and more. Browse the gallery to find more games like my world..
Can I make my own my world.?
Yes. Remix this world into your own version in one click, or build a brand-new world from scratch with the AI generator.
