Chiwoo is struggling with personal problems. He made a promise to stay away from trouble and keep a low profile until he graduates, after the events of the previous year. This pledge, however, is proving to be difficult to follow as his reputation as a troublemaker has made him the center of attention at school. Kyujin, the model student and class president, is persistent in his attempts to be friendly with Chiwoo. Jihyun, a tattooed and attractive individual from Chiwoo's past, complicates matters even more. The upcoming year will undoubtedly be challenging for him.