Sawada is an excellent head of the department but because he is too focused on his work, he is still a boy. It also affects Sawada's work when he cannot accept the invitation to go to places that seem to be adults with customers. Therefore, he decided to ask for the help of Mikami, the beautiful breast of his big breast. Wanting to Sawada to the director to enjoy, Mikami decided to let Sawada take her sex training course.