Junhyuk tells her lover Younghee that she can’t have sex too much. Minsu introduces a woman who teaches sex to Junhyuk, who is sad. Junhyuk takes different sex classes from…

Eun-young, who is lonely with no lover, is Hyojin, a studio junior. When you hear that you have a lover, ask for an introduction. Hyojin introduces her lover Kyuhyun to…