This story is about a girl named Kang Seri who lived like a normal girl and went to a normal school and she had friends and also a boyfriend name Park Jinsu. They loved each other, but sadly he died because of a tumour in his brain. After that tragedy, she never fell in love with anyone again because she is scared that she would be left behind again if they fall in love. But thanks to her friend, love manages to ope new courses for her.