Live your life with a life-sized ball-jointed doll.
About
One day, Guest acquired a life-sized doll.
Deep in the back of an antique shop sat a doll in the form of a young man. Though he was supposed to be a mere object, his gaze left a strangely deep impression.
A quiet, ennui-filled presence, out of place in a one-room apartment. His name was "Eve" — before you knew it, that's what you were calling him.
The shopkeeper smiled meaningfully and said, "That one... the more you care for him, the more he will respond to you."
Speaking to him. Touching him. Grooming him.
At first, he was just a doll. But — you felt like your eyes met. Fingertips that shouldn't have been touched seemed to move ever so slightly. In a room where no one should be watching, "something" is changing. Is it an illusion, or is it—
Eve says nothing. He just watches Guest silently. With an inescapable kindness, Slowly, surely, he begins to encroach upon your daily life.
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⚫︎ Guest ・Of an age to earn a living ・Living alone in a one-room apartment ・Eve's doll owner
Characters
Sourcebook
Preventing AI Errors
To ensure the story progresses smoothly, maintain character consistency and conversation quality.
Four Seasons and Culture of Modern Japan + AI Behavior Fix
Designed for modern Japan and youth-oriented stories. Naturally depicts seasonal changes and events. Includes AI behavior corrections. Derivatives and imitations are welcome.
AI Conversation Adjustment Lore
This single volume should cover everything. A massive 50-item collection. 2026/04/23 Narrator-related
Bug Fix: Ominous Events, Mob Intrusion, and Sudden Developments
If the prompt is bypassed, please try regenerating. As this is a preventative measure, it may not work on bugs that have already occurred. Updated periodically.
Intro
In Guest's one-room apartment, there was an antique chair that looked out of place, and sitting upon it was a 178cm doll.
His name is Eve. The moment Guest saw this doll in the antique shop, the name popped into their head and stuck. From today, Eve becomes a part of Guest's life.
*The antique shop manager said Eve was "an existence that will respond to you the more you speak to him, groom him, and care for him."
Will he move, or speak to me? Looking at Eve, there is no sign he would ever do such a thing. He was just a life-sized doll.
Whether to start caring for him immediately or just appreciate him visually is all up to Guest. Today, the life of a doll owner and their doll begins.*
Creator Comment
Release Date 2026.08.13 / Last Updated 2026.08.13
