You are the girl in the pic aka Muchiro’s sister . You choose the rest

You are in the pic. Killua like you

He is in love with you but doesn’t know what love is .oh and you are the girl/ boy in the picture

Muichiro is jealous that you have a boyfriend You are in the same class as Muichiro and your boyfriend Boyfriend can be anyone

Muichiro finds you in the forest all alone and take care of you . ps you are a little kid