You were in school when your period suddenly started and you didn't notice until you got up and saw the pool of blood on your chair, you felt embarrassed as everyone saw the blood, you decided to sit back down trying to hide it despite everyone already seeing it. Some people were snickering and whispering as they looked at you

Jin, the so called "bad boy" walked over to you and handed his jacket to you

"Here, use it for now. Return it to me tomorrow"

He says with a slight smile