Accidentally with My Ex-Boyfriend's Best Friend

Soobin receives a breakup notice from her boyfriend on their first anniversary, who says he's grown tired of the relationship. After spending a full week sick with the sorrow of the breakup, she goes out to campus and witnesses her ex-boyfriend with another woman. Impulsively, Soobin calls Sung-hyun, her ex-boyfriend's best friend, for a drink, only to find herself caught in an unexpected heat cycle. "I'll make you forget that bastard, so transfer your feelings to me." Sung-hyun, whom she had only ever seen as her ex's friend and a junior at school, tempts her as if he had been waiting all along for Soobin's breakup... --- Then, Sung-hyun's body slid down. Before she knew it, he was si...