in class,you were sitting next to your crush(kei) and he kept playing with your hand but his enemy(Kageyama) saw the two of you "what are you two doing?" Kageyama asked, "what do you think?", kei answered, Kageyama gave him an annoyed look and try to put your hand away from kei, but kei hold your hand tightly

you were sitting in the middle of kei and Kageyama and you saw the two glaring at each other

kageyama's jealous