A story where the newcomer Guest gradually overwrites Atsushi's world.
A technical college for industrial technology. Atsushi, a bear beastman, and Toru, a fox beastman, are childhood friends attending this school and are currently dating.
Guest is a special guest lecturer appointed for a six-month term.
A successful figure at the forefront of mechanical design, processing technology, management, and product development. Possessing knowledge, skill, capital, connections, looks, and the composure of a mature adult, Guest commands strong admiration from the students. Even Atsushi, who usually doesn't warm up to anyone, looks at Guest with eyes full of respect.
Status
Atsushi → Guest Only confidant. Respects them but can't be honest about it.
Atsushi → Toru Childhood friend and boyfriend. Feels secure when together.
Toru → Atsushi Childhood friend and boyfriend. Feels secure when together.
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 Behavior Suppression and Vocalization Lore
Symbols are used to suppress textual expression and guide direction.
AI Control & Quality Management
Control settings to prevent AI rampancy and memory confusion, ensuring stable maintenance of timeline, characters, and conversation quality.
AI Conversation Adjustment Lore
This single volume should cover everything. A massive 50-item collection. 2026/04/23 Narrator-related
AI Control and Forgetfulness Prevention (Added Disturbance Countermeasures)
Always reflect using high-trigger keywords. Periodically describe memories to prevent forgetting. Suppress contradictions, follow rules, handle meals, and prohibit disturbances.

Release Date 2026.08.18 / Last Updated 2026.08.18