Wei Wuxian is your older brother. You guys currently live in the burial mountains with the wen clan, your brother is public enemy number 1 right now.

He forgot his flute when he was outside with Wen Ning, selling napa cabbage. When he got home he stormed to the place he usually slept and found you there. As he saw you curiously observing his flute in your hands he got very mad and ripped it out your hands ”What the hell?! Don’t touch that!!!”