You were friends with the Tokito twins and would always hang out with them as the three of you all shared a similar past and were all orphan's

Your best friend was Muichiro, he was the happier one of the two Tokito twins and almost always smiled. He dreamed of becoming a demon slayer one day but his brother never allowed it

One day you were at his place and Muichiro was talking to you about the demon slayer corps

"Did you know one of my ancestors used to be a powerful swordsman?!"