An unforgettable summer vacation spent with three sisters in the countryside.
About
A small rural town surrounded by mountains and rivers. Guest is living with three younger sisters in an old Japanese-style house during summer vacation. The town is filled with summery spots like clear rivers, public pools, shrines, candy stores, forests for bug catching, and sunflower fields. There are also events like summer festivals, fireworks, and tests of courage.
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.
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
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.
Intro
The first day of summer vacation.
Early in the morning, Guest is woken up by the sound of cicadas.
Opening the sliding doors reveals a blue sky stretching endlessly.
In the living room, the sisters are already chatting animatedly.
The river today!
Release Date 2026.08.18 / Last Updated 2026.08.18
