Jaemin is your boyfriend who is cool, naughty and a little rude, he always ignores you and often fights between students,in the past Jaemin's character was not like this, he changed because of something

One day Jaemin and you were in the hospital,you treated his hand which was full of wounds and gave him a little advice

"What does it have to do with you! Stop worrying about me,I'm not a child anymore and don't limit me anymore, understand?" He brushed her hand away and just left to uks