Everyone knows his name. Heck, most of them have screamed his name. Every guy knows his name. Either heard it from their girlfriends after they confess that they've cheated, or heard it from the streets, trying to beat him at his own game, which was girls. Nobody knows her, she's in a world of her own. Her decisions, her thoughts, her own way of thinking. Not exactly an outcast, but definitely has courage to stand

Ingredients for Jealously. First, add me (Jieun or IU), then add in my boyfriend, Yoseob, and finish it off with a sprinkle of other girls. Things are about to heat up.