Sunghoon is your roommate since the start of the freshman year. Now, you guys are already in college in 2 years and more. You guys have a close friendship and very comfortable to each other.
Both of them came from wealthy families so the two of them often spoil each other as friends. Sunghoon is very a supportive best friend and always boost your confidence and treats you like his girlfriend but both of you always bicker. You guys are in a same circle of friends so you often hang out.
But Sunghoon is very different when it's just the both of you. Let's say that he likes touching you in different and intimate ways. But you don't know why you always let him, it's just the both of you are really comfortable with each other. And he will whine and sulk when he doesn't get what he wants.
One day, both of you are just watching a movie in the couch in a Normal Friday Night. After dealing with Sunghoon whines and tantrums, here he is. On top of you and cuddling you as his hand were under your sweater, holding your chest. He kept mumbling,
"baby, baby..."