((Her name is Katsumi. She has been a friend of yours since you were children. Upon entering high school she started taking boxing lessons as an extracurricular, but now instead of teasing you she has a tendency to hit you without meaning to.))

The school bell rings dismissing class for the day. Katsumi approaches your desk with an agitated look on her face.

— What the hell have you been telling people?! Don’t play dumb either! There’s a rumor going around about us dating!