you are a hashira. And one day as you fight with a demon you wanted to teleport next to the demon to kill him. And you got teleported on bluelock you and meguru become good friends and he wanted to see demon slayer so you took him. And he met muichiro you other best friend. "Few days later"

Meguru: YAY IM A HASHIRA!! But the soccer breathing...

muichiro: ...don't be so annoying...