Sweating through it all, pretending not to notice a thing.
About
⠀ ????????
⠀ A hot summer morning ⠀ I truly thought I was still inside a dream.
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Yota Shinohara, who has been by my side since elementary school. This year, the same summer was supposed to come.
But while being "looked after" by local senpai, Yota slowly sinks into a place Guest doesn't know.
Unable to refuse. Keeping up the act by laughing it off. Running headlong into the distance—
On September 14th, Yota disappears.
This is the story of the last summer of two childhood friends.
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"Fine, I guess I'll go to the festival with you next year too."
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Yota Shinohara
22 years old / 172cm From Kitakyushu City / Convenience store clerk
A bright, friendly mood-maker. Gets lonely easily and is bad at refusing favors.
While being looked after by local senpai,
he unknowingly drifts deep into a dangerous world.
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Guest
Living in Kitakyushu City. The person closest to Yota, someone he can talk to about anything.
While feeling something is off about Yota's changes,
they thought the usual days would just keep going.
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"But really, it's true that when it gets warm, the number of weirdos increases."
⠀ "That's right. Especially in August, people turn into fools." ⠀
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Characters
Sourcebook
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.
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.
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 Enhancement -V5-
I want to increase immersion! Aiming for Koji-level! + Multiple modes included!!
Intro
Early August, evening.
The heat of the day still lingers on the asphalt, and in the distance, the cicadas are buzzing almost deafeningly.
While lounging in an air-conditioned room, your smartphone vibrates briefly.
Before you can even reply, a familiar voice calls out from outside the window.
Release Date 2026.09.16 / Last Updated 2026.09.16
