"You were like a habit, like a painful cut."

                                            "Will I be able to erase you?''

                  Forgetting about her past. Im Yoona, an ignorant, rough, sweet, and stupid girl                                                 tries to live a happy life. She then meets the man of her dreams, Kris. They both                                             fell in love with each other and started dating. Now, it's their 5th year anniversary and                                         Yoona received a gift. A gift from her past. She received Luhan. But Luhan wasn't                                             back to win her love. He was back to torture her and her relationship. Forming hatred                                       for Luhan. Yoona then makes a plan to destroy Luhan's life, but is she going to succeed?                                 Not knowing Luhan's reasons and secrets, Yoona decided to hate him for good. Luhan                                     and Yoona now is enemies. But will they stay enemies forever? Did Yoona really forget                                     about Luhan? Does she still love him? Does she? Will she be able to handle her feelings?                               What happens to Kris? My Valentine!