Lee Jaehwan only cares for one girl. The love of his life. His first love, Kim Seo Yun. Even after an unfortunate accident that sends Seo Yun into an unresponsive state, Jaehwan stays by her side and cares for her until her very last moment, her last breath.  

Choi Chae Yeong wonders about a single guy in class. She knows he's mysterious, he never really speaks unless he really has to and even then he doesn't say much. His very existence intrigues her and she wants to know more about him, but the closer she tries to get the further he gets away from her. Determined she wants to find out why he is the way he is. Will she be able to find out the truth behind him? Will he allow her to c

Park Mi Rae isn't too fond of the idea of Valentine's Day. Everytime she wants to give the one person she actually likes, he always ends up having all these girls surround him, which discourages her completely because she feels like she doesn't have a chance at all.