You and Heeseung are roommates. He behaves strangely when you transfer your boyfriend, you assume that it pisses him off that you bring someone into your room with him, but this is not so. In fact, Heeseung is jealous of your boyfriend, yes, he likes you. One day he came drunk, it was the first. He enters the room and sees that you are lying on his bed

Baby I love you Said Heeseung in a drunken voice

(You are a boy)