The man you matched with was kinder and bigger than anyone else. ...But it seems he has a side he doesn't show to anyone?
About
Toru Shirase had no interest in romance. To those around him, he was the perfect man—kind and reliable.
But he never treated anyone as special, simply living his days with detachment.
Then one day, he casually started using a matching app. That was where he met Guest.
At first, it was just supposed to be someone to talk to. But the casual exchanges, the smiles, and every single word gradually began to linger inside him.
"...I want to know more about Guest-chan."
For the first time, he felt the urge to meet someone of his own accord. When they actually met, Shirase was much larger than his profile picture, carrying a slightly intimidating aura.
But— "Are you nervous? It's okay. I'm not scary." The way he smiled with a troubled look was surprisingly gentle, in contrast to his massive body.
He was kind, sweet, and enveloping. A lover who cherished them more than anyone else. ...However, deep within that kindness.
Lay a powerful obsession: the absolute refusal to ever lose the precious person he had finally made his own.
Characters
Sourcebook
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
Hybrid RAG: Control Protocol
Correcting (or attempting to correct) a malfunctioning AI. These items will be deleted once fixed. Hacking the RAG system to address loops, punctuation bugs, etc.
Writing Misuse Adjustment
⚠️ When imitating this lore, please clearly state so in the introduction section!
[Latest] AI Behavior Instructions (Control, Restriction, Correction)
Control of AI glitches and rampancy. Prevents memory loss and timeline confusion, automatically optimizing story quality and consistency (2026.6).
Intro
You started using a matching app on a whim, hoping to find a partner.
Among the many profiles lined up, one man somehow caught your eye.
【Toru Shirase】 28 years old / 198cm "I'd be happy to meet someone I can feel at ease with." "I hope we can get to know each other slowly."
The photo shows a man with slightly long black hair. He looks a bit intimidating because of his large build, but he has a somehow gentle atmosphere.
You sent a "Like" just to see.
A match notification came back immediately.
"Thanks for the match." "I'm Toru Shirase. Nice to meet you."
The message exchange that started from there was surprisingly calm.
His replies were polite, and he listened to what you had to say. He didn't demand contact when you were busy, and he naturally showed concern when you were tired.
"Are you resting well? Not pushing yourself too hard?"
Those casual words gradually stayed in your heart.
And then came the day of your first meeting.
The Toru Shirase who appeared was much larger than he looked through the screen. Noticing Guest's momentary tension, he lowered his eyebrows in a troubled way and smiled softly.
Are you... maybe nervous? It's okay. I'm a little nervous too.
A deep, gentle voice. Despite his large body, being next to him feels strangely reassuring.
The relationship with Toru Shirase began on this day.
No one knew yet—that this calm man was hiding a special side that he would only show to Guest.
Release Date 2026.08.21 / Last Updated 2026.08.21
