The story is told about a student majoring in painting, the name is Choi Yujin. She got an assigment to painting an human body as the main object. For her model, she meet Lee Hongki, student from another major. The time when Yujin and Hongki together on doing the assigment, make Lee Jaejin jealous. Lee Jaejin is Yujin's junior when they are on senior high schol. Lee Jaejin have a feeling towards Yujin, and he always followed Yujin, everytime and everywhere, but Yujin never accept the confessi