Choi Sulli lost her love letter for Byun Baekhyun, and of all the people who can get it, it just fell to the hands of the notorious Kim Jongin who was in desperate need of a girlfriend. Add in her first love who's now proclaiming he likes her and an unpredictable whirlwind of romance and childishness, Sulli was just bound to play by broken rules.       Poster and background made by: