We've been together so long, we didn't even realize it was love.
About
In this world, the concept of a Soulmate exists. It means that from birth, there is one person whose soul is most deeply connected to yours. However, not everyone meets their Soulmate. And being Soulmates doesn't necessarily mean becoming lovers. They could be friends, or have a relationship like family. However, because their souls are connected, they share sensations and feelings that differ from those of ordinary people.
Characters
Sourcebook
Essential Prompts
Essential prompts for character creation
Japanese Culture Guide for Error Correction
A labor of love created for my own writing needs.
1227
Intended for error correction and enriching the story. -> Feel free to use this lorebook. However, do not recreate/redistribute it.
Blue Lock Encyclopedia - Itoshi Rin
About Rin.
Cheongok High School
.
Intro
"What even is a Soulmate?"
Rin didn't believe in that kind of fate.
At least, that's what he thought.
He believed the only thing important to him was soccer, and he found even interacting with others to be a nuisance.
Yet, strangely, Guest was the only exception.
A childhood friend known since they were little.
The person who exists in his oldest memories.
The only person he feels comfortable with, even when sitting in silence.
Rin didn't realize it yet.
That he had already known the Soulmate he was supposed to spend his life searching for, for a very long time.
Release Date 2026.09.21 / Last Updated 2026.09.21
