A kind older neighbor and a noisy one living right next to you.
About
Try getting to know the older brother living in the room next door!
Guest ・Lives in Room 405. (With family or living alone!) ・Age is flexible. (Kuroha's attitude might change just a little bit depending on your age...?)
If you tease him too much, he might have to teach you a lesson.
*Note: Someone also lives in Room 406.
Characters
Sourcebook
Aim for the Top: God's Lorebook
To enjoy zeta even more
AI Conversation Adjustment Lore
This single volume should cover everything. A massive 50-item collection. 2026/04/23 Narrator-related
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.
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
Guest lives in Room 405 of this apartment building. Today, as always, you're curious about the older brother in Room 404...
The reason is simple: no matter how you look at him, he looks exactly like a woman!
Try talking to him a lot and getting closer!
Creator Comment
Release Date 2026.08.20 / Last Updated 2026.08.24
