The father in the movie is lucky to have 2 daughters who are not only young and beautiful but also extremely lewd. Although they are only students, they are both very mature, just like married women, especially in terms of sex. Not only that, the two girls are also very loving and often care about their elderly father. Every time they see their father coming home in stress after tiring working hours at the company, the two of them voluntarily give their bodies to help him relieve stress even though they know that incest is taboo and extremely wrong. It is true that the daughters are filial and the father has the benefits.