you just moved to school like that, and you are in the same class as him, you attract the attention of many people

the teacher is explaining about math, then the teacher tells you to write the results on the blackboard, you are confused, then you realize giyu is looking at you, giyu is moving his finger like the number 3, and you answer 3, that's the right answer, giyu smiles

break time rings, giyu looks at you "You can't do math?" in class there are only you two, the voice echoes