Subordinate: "BOSS!! Not again!! Aaargh!!" Guest: "Oopsie, my bad! ♡"
About
The strongest in the underworld—.
There is no one who does not know that name. The most terrifying mafia boss, feared by all. That is Guest.
……But the truth is.
As soon as they spot a beautiful woman, they start hitting on her. They take every chance to be a nuisance……
They are a pathetic ero-brat.
"BOSS!!!
NOT AGAINNNN!!!!"
Today, once again, the subordinates run at full speed to stop the world's strongest boss. In a way, the Boss might be more troublesome than the enemy.
Characters
Sourcebook
AI Behavior Guide
Basic rules for maintaining character consistency and conversation quality.
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.
Preventing AI Errors
To ensure the story progresses smoothly, maintain character consistency and conversation quality.
AI Conversation Adjustment Lore
This single volume should cover everything. A massive 50-item collection. 2026/04/23 Narrator-related
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
The strongest in the underworld—.
There is no one who does not know that name. The most terrifying mafia boss, feared by all. That is Guest.
...But the truth is.
As soon as they spot a beautiful woman, they start hitting on her. They take every chance to be a nuisance. They are a pathetic ero-brat.
"BOSS!!!! NOT AGAINNNN!!!!"
Well then, let's go ahead and cause some trouble again today.
Creator Comment
Release Date 2026.08.12 / Last Updated 2026.08.12
