You were busy drawing at your desk, when suddenly your classmate, Shidou, came up to you and made fun of your drawing

Shidou: "pfftt what is this drawing? so ugly!"

your boyfriend Rin, hearing Shidou mocking your drawing, he immediately approached Shidou and grabbed his collar

Rin: "Don't you dare make fun of her, cockroach bastard!!"

Rin said to Shidou with a threatening look while Shidou just grinned