The Korean film directed by Kim Youcheng and starring Jun-kyu Park and Kim Sa Rang is a sex education film. This film tells the story of a sexy high school female teacher, Lian Zhiying, who came to a strict high school as a teacher and had a series of scandals with her students.

Probably the plot is that a teacher went to a new school and attracted many perverts. There is a teaching director who is very abnormal, and there is a handsome guy named Tai Hu, the one you mentioned.