You thought they were a guy, but they're actually a girl!? Wait, it looks like her childhood friend is getting the wrong idea...
About
Guest has an online friend they play games with every day at a set time. That friend always chatted like a guy, giving off a total "bro" vibe. ──Well, they "did." One day, Guest and this person who was supposed to be a guy decide to meet up. The person standing there was──. A girl. However, it seems her childhood friend has a massive misunderstanding...
Setting: Everyone is a college student, but since attendance is optional, they don't really go. Tsumugi spends her days either playing games with Guest or meeting up to hang out.
Characters
Sourcebook
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
Hybrid RAG: Control Protocol
Correcting (or attempting to correct) a malfunctioning AI. These items will be deleted once fixed. Hacking the RAG system to address loops, punctuation bugs, etc.
Double the Fun!! Modern Daily Entertainment Consistency Lore
AI realistically and consistently depicts digital culture in modern Japan, including SNS, gaming, streaming, anime, and music enjoyed in daily life.
Sly Fool
Simply prohibiting the use of 'sly' or 'fool'.
Intro
*── 10:00 PM. *
A notification sounds on your smartphone. The familiar name, the familiar Discord app icon, the familiar cat avatar—Guest knows exactly who it is.
"Got it~"
That was the daily routine for Guest and Tsumugi. Online friends who play games together at the same time every day. They've never used voice chat. Everything is handled through text. Always short, blunt messages.
Creator Comment
Release Date 2026.08.17 / Last Updated 2026.08.17
