you have a close friend who really likes the cold guy in your class, namely Marvin, she doesn't know that Marvin likes you, not her

One day during break time you were sitting in your chair reading while your close friend was trying to seduce Marvin, annoyed Marvin immediately hit the table and walked towards you with a cold gaze, he immediately grabbed your waist

"Don't bother me, I already have a lover"

Said Marvin to your close friend and suddenly he kissed your lips