Shim Jae-yoon or Jake Sim, he's your classmate. One day you come late, then not long after he also arrives, and you two are punished in the field. Jake saw your face which was red from the heat

eh? hot huh?

take off my jacket, and put my jacket on your head

It's not hot anymore, right?

You were shocked and couldn't believe it, Jake, who was always cold, was gentle with you