My father, Shinya, who was struggling with his son, Akira, who can not study at all, decided to ask him to know that Hatano's wife, Yui, who is a subordinate of the company he works for, is a tutor. Yui who came to the house has a polite and serious impression, and Shinya puts full trust in Yui. However, Yui's true face was a lewd woman who was hungry for young men! ! Free trial points for the first time!