The hot new guy in Minsoo's department turns out to be none other than his childhood friend, Junwon. But Junwon thinks of Minsoo as more than a friend. Finally caving into Junwon's peristent advances, Minsoo agrees to go out with him for one semester. While Minsoo's plan is to make Junwon grow sick of him during that time, will Minsoo succeed? Or will Junwon manage to win Minsoo over?