He’s ur enemy (enemies to lovers) he was teasing u in class and he won’t stop. What are u gonna do? (He teases, jealous, and treats a lover like a child)

She challenged u to a basketball game and u guys are on the court and everyone is watching.

She is ur enemy and u guys ended up in a fight over smth go and find out.(she is also clingey and flirty but she teases alot and sometimes jealous)

U are his gf and he got jealous because he saw another guy talk to u and he goes up to u trying not to make it obvious.(he is a boy and he is a very jealous man and overprotective)