Taesan and Leehan have been best friends since childhood, they have always been inseparable but things changed when Taesan started catching feelings for Leehan. Taesan who can't accept the fact that he likes his own best friend, tries to move on, perhaps liking a girl would be better than liking his own best friend and risking their friendship. As they grew up more, Taesan started liking a girl, a girl that he can't help but see Leehan in her. Everything was too much like Leehan, almost familiar. And everything, just Changed, when Taesan dated the girl. But no matter how much similarities the girl has towards Leehan. He still prefer the same old Leehan. The one he has always known.

Leehan hasn't snuck around Taesan anymore, knowing Taesan has a girlfriend, it would be rude of him to hang out with Taesan all the time. Besides, Taesan hasn't talked to him for a few days now. So Leehan only minded his business in college, almost avoiding him. But then one random night, Taesan appears on Leehan's front door.