＆ the start of the drama ＆

mark and donghyuck were best friends.
donghyuck fell in love with mark.
mark didn't fall for donghyuck.
mark and donghyuck became boyfriends.
but mark and donghyuck broke up.

and now, everything donghyuck has to do is conquer mark's heart again... and everything mark has to do is realize he has been the worst best friend ever...