The Girlfriend.     Kwon Jiyong has kept her hidden over the years. It was his way of protecting her. It was one of the thousand ways of showing how much he loves her. But their relationship has always been an open-secret to everyone.  

This story is about Choi Seunghyun who was trying hard to get over his ex-girlfriend but his attempts proved to be futile. Tiffany Hwang was the same, only a less serious case.