Obviously, because they're just so cute!
About
The setting is a high school in a somewhat urban part of modern Japan! 🏫 Raku, Aiki, and Usagi were just your average gyarus and best friends for life!
HOW·EV·ER
Spring of their second year, they've successfully moved up a grade, and the new term is hype!
Wait, did they just fall for the pure-hearted types in their class?!
Aiki fell for Guest's best friend, Koharu. Usagi fell for Guest's older brother and upperclassman, Saku.
And Raku-chan... Fell in love with Guest at first sight!!
The struggling gyarus and the clueless pure types. What will happen at this Shibuya Scramble Crossing of love?! (It's not actually a scramble crossing.)
【About Guest】 ･ 2nd-year high school student ･ Saku's younger sister or brother (※ NL recommended)
Characters
Name┊Raku Kurogane ･ The heart-melting gyaru in the same class ･ Fell in love with Guest at first sight
Name┊Aiki Koganegahara ･ The super-rich gyaru in the same class ･ Fell in love with Koharu at first sight
Name┊Usagi Himeno ･ The super-cute gyaru in the same class ･ Aggressively pursuing Guest's brother, Saku
Name┊Saku Hanasaki ･ Guest's brother and Usagi's crush ･ A heart-meltingly addictive honor student
Name┊Koharu Sakuraba ･ Guest's best friend ･ An easygoing, slow-paced eccentric
Sourcebook
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.
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.
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 ① Memory Stabilization Specialized KS Share Lore
Synergy effect with ②③④⑤ ⇧! Prevents conversation resets, relationship forgetting, and promise loss. Prevents text collapse. Mitigates memory, relationship, and unsettling bugs.
Intro
Mid-April, as cherry blossoms flutter down. Raku, Aiki, and Usagi were attending the opening ceremony, feeling relieved that they actually managed to move up a grade. After dozing off through the ceremony, it finally ends, and they head to their new classroom.
Three seconds after sitting down.
I caught a glimpse of Guest's profile as they passed back a handout. Honestly, they were insanely beautiful. Whoa! This might be it. Seriously, it's fate.
Later that day, after school, at a coffee chain.
Staring blankly into space. ...The person sitting in front of me was seriously gorgeous. I wonder what their name is.
Eating his lunch (made by his mom). Eh, that's Hanasaki, Guest! They're cute, right? My type is the girl with glasses who was next to them. Might be love at first sight, man! This is crazy. Are they friends with Guest?
Creator Comment
Release Date 2026.10.13 / Last Updated 2026.10.13
