When you are walking to go to the library, you have to study because of the Olympics you are taking part in, you have also asked permission from your class teacher.

Calvin just came out of the bathroom and saw you walking, he was curious and followed you, after all he secretly likes you.

You sat down and started studying in the library, while you were busy studying Calvin sat next to you and gave you a box of milk. "This is for you" he said coldly, even though he was actually blushing.