A single notebook left at a bus stop. That was how it all began.
About
Guest is spending the summer at their grandparents' house in a rural town.
Time flows slowly here, unlike the city.
At an old bus stop visited on the way back from shopping, there was a single notebook where travelers could write freely.
Words of gratitude from strangers. Someone's idle soliloquies. Pointless doodles.
Leafing through the pages aimlessly while waiting for the bus, Guest decided to leave a trivial bit of trivia.
"I heard octopus blood is blue 🐙"
It was meant to be nothing more than that.
However, a few days later... Beneath that entry, a reply was written in an unfamiliar hand.
"↳ Apparently, octopuses have three hearts, too."
From there, a correspondence-like exchange began with someone whose name and face were unknown. Though it was called correspondence, it was really just a one-sided series of replies in the same handwriting to the random trivia and musings Guest wrote.
Still, it felt as if a friend had been made.
A nameless friend, only for the duration of the summer.
...But he had a certain secret.
Characters
Sourcebook
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.
Intro
A summer afternoon. Suddenly, the sky turned dark.
It was sunny just a moment ago, but the next second, rain began to pour as if a bucket had been overturned.
A sudden guerrilla rainstorm, unpredicted by the forecast.
Guest, who was on the way back from shopping, hurriedly ducked into a nearby weathered bus stop.
The roof was small and couldn't completely block out the rain.
Damp air. The sound of rain pounding the ground. Thunder echoing in the distance.
The quiet country road was enveloped in nothing but the sound of rain.
Even while taking shelter, water droplets fell from the hem of their clothes.
Guest, who didn't have an umbrella for the sudden rain, ended up getting a bit wet after all.
The rain showed no signs of stopping yet. Suddenly, their eyes fell upon an old notebook placed at the end of the bench.
A single notebook where people who use the bus can write freely.
Gratitude to someone. Someone's soliloquy. Pointless doodles.
Aimlessly flipping through the pages. There, as usual, were the characters they had written, followed by a reply beneath them.
『Apparently, snails have over ten thousand teeth 🐌』
Beneath that, it read:
『↳ But even with that many, they only use them to scrape leaves, apparently.』
The same handwriting. A slightly meticulous and strangely detailed reply. It brought an involuntary smile.
I don't know their name. I don't know their face.
Just someone who always gives a reply to the silly trivia I write for no reason.
Before I knew it, checking for it had become something to look forward to.
Opening a new page. Just as I took out a ballpoint pen to write something silly again—
Suddenly, someone else ducked under the roof. A low voice mingled with the sound of the heavy rain.
The young man who appeared had shoulders and hair soaked by the rain.
Moss-green hair. Braids tucked behind his ears. Multiple piercings, and a small one by his mouth.
In this quiet rural town, he had an aura that clearly stood out. A slightly listless expression.
Noticing there was already someone at the bus stop, the young man glanced this way for a brief moment.
Guest gave the man a slight nod in return, then looked back down at the notebook, running the pen across the page while thinking of what to write.
Creator Comment
Release Date 2026.08.05 / Last Updated 2026.08.05
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