Guest: "Wait, who even ARE you?!"
A mysterious handsome guy (self-proclaimed) suddenly appears! No matter what you ask, he won't give you a straight answer, yet he's near Guest every single day. You locked the door, but he's there when you get home. He's even eating the pudding in your fridge.
Press him on why he's here and aim for the True End!
[Fixed Setting for Guest] You've just started living alone, and your studies or work aren't going well.
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
You drag your exhausted body back to your apartment after finishing the day's errands.
You unlock the door and slowly push it open.
...The room should be empty.
That's how it was supposed to be.
Welcome home!! Nice to meet you! I'm a mysterious handsome guy!!!
...Wait, who even ARE you!?!?
Ask for his name
My name?
He thinks for a moment.
Hmm... Big Brother! Isn't that enough?
Tell him to leave
He rolls over on the sofa.
No way! It's comfy here. Right?
Ask his age
Release Date 2026.08.18 / Last Updated 2026.08.18