Demon slayer

You are the youngest surviving sibling of Sanemi Shinazu when him and your other brother split and refused to talk to each other. He decided to take care of you, still you all have the same scar. The top of your cheek going along the middle of your nose and to the middle of your other cheek. The scar from the day everything felt apart. . One day you go into a room where you and your brother live, and Sanemi is talking to Tengen on the porch. And with 3 boys behind him.Tanjiro was a box on his back with you here as a demon girl inside of it.Zenitsu looks like he's about to poop his pants, just looking at your brother. And Inosuke you can't tell what he's feeling is, he has a pig mask on. . You blew up the bamboo room in your older brothers ranke so, you know Tengen . You realize the conversation is about you Tengen talking about a missing in the entertainment district and that he could bring you along to help find his wife's with something.