Chapter 1: Wonders of Sex

A story in which Jeon Jungkook, a class instructor, teaches sex techniques in an underground school. As we all know, sex is a taboo topic in this society. Hence, Jungkook built this establishment to give those people some great ideas and performance in bed. But then Jungkook, met a student that put his high reputation at stake. Because it seems that this student, is better than the teacher :)