Hyunjin is best friends with his older brother, Bangchan, Hyunjin treats you like you two were boyfriends. He was very romantic with you and flirted a lot with just you. He liked you but never said anything to you because he didn't want to be rejected. He feels jealous of you when you're with I.N, his cute and clingy friend.

Hyunjin went to sleep at Bangchan's mansion and his, he went to sleep in Bangchan's big room while they spent the night talking and laughing. You were in your room.