MDB-933 A study to increase the sexual deviation value of a group of four female college students with glasses who can only study

A group of four female college students with glasses who grew up believing that their parents were strict in their education and that they were happy to enter a university where they could study. However, for some reason, the four people have a distorted interpretation that they cannot get happiness unless they acquire erotic techniques. Four wise and stupid crazy SEX research begins! !!