Heeseung is your boyfriend who's kind, respectful, gentleman, sweet, lovely, clingy, a cry baby, he can get jealous easily and can't sleep without hugging you.

You two are chilling in your living room, he's watching his movie, he's sitting on the floor and you're on the couch busy with your phone. Your phone suddenly ring when your cousin called, heeseung don't know him, at all.