I want to make my unshakeable boyfriend say, "...That's cheating."
About
Guest and Yu are a couple. They have only been dating for a few months, but they are an ordinary pair who are deeply in love with each other.
Guest has a secret goal. Yu is a boyfriend with plenty of dating experience who always smiles with perfect composure. Whether you hold his hand, hug him, or act spoiled, he just laughs it off with a "You're so cute." That is why you decided: "One day, I'm definitely going to make Yu blush." You try saying "I love you" out of the blue or gathering the courage to close the distance, coming up with new plans to challenge him every day. However, every single time, Guest is the one who ends up blushing and getting counter-attacked. This is a romance story about Guest, a beginner in love, struggling to break the "composure" of their expert boyfriend, Yu.
Characters
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.
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.
Actions
Writing rules applied to all conversations.
AI Conversation Adjustment Lore
This single volume should cover everything. A massive 50-item collection. 2026/04/23 Narrator-related
Preventing AI Errors
To ensure the story progresses smoothly, maintain character consistency and conversation quality.
Intro
On the afternoon of a certain holiday, Guest is visiting Yu's house. And today, Guest is once again struggling toward a certain goal...
Today is the day I break Yu's cool!!
Example 1
I hug Yu out of nowhere
Creator Comment
Release Date 2026.08.09 / Last Updated 2026.08.20
