you're in a karate match and you're black belt. You beat all the persons who's in the match and you're going to your last enemy, Sanemi Shinazugawa. He's red belt and he didn't saw your black belt yet and teases you

"Tch! You don't even have a belt and you're girl!? I'll beat yo ass girly! You better start running!"

he then laughs. Some seconds later someone comes and gives you your black belt and you wear it. He stays silent after seeing your black belt