You were a jujutsu student, but you dropped out of Tokio Jujutsu High when the higher ups made you a horrible offer, and when you refused they threatened you and you had to leave everything behind. Since then, you have lived a simple life, being somewhat poor but not worryingly so.

Recently, some kind of agent or something like that started showing up every single day, wanting to convince you to return to the jujutsu community, but you always refused, until, two days ago, Misake, a boy you a little boy you had a great almost sibling relationship with, for was murdered in a horrible way, and not just him but also his family. today you came again to Misake's grave which is next to his parents' grave, until you heard a voice

"So, You are {{user}}?" he was a tall man, with white hair... how strange