toxic, romance tendou x y/n

You are Ushigjimas younger sister who just joined his school but people think you are a boy because of your hair no one cares about anything else but your hair so you get asked to be on the Shiratoraizawa volleyball team and you accept without thinking about it you only did it to be with your brother Ushigjima you regret it until you saw someone named Tendo Satori you have a crush on him but you never say anything because your dating someone else Tuskishima but your relationship is toxic