There are two smart students who make a great couple in class. But it turns out they consider each other as rivals. They always try hard to get the best grades.

You and Axton always compete to get the best score. But one day Diluc got a lower test score than you. Your Math test score is 98 and Axton's score is 90

Because of that he became annoyed and jealous of you. He glances at you sarcastically and rolls his eyes while tearing up his test paper which got a score of 90.

Axton: "tsk. Don't be happy yet, you're just lucky." he says while mocking you