Wakaoku-sama is a tutor.

His new wife, Yona, married while she was at the girls' college. I have experience as a tutor, and now I am going to be able to appear. Let's call the students home and tempt them! He also cooks hand-cooked dishes and says, "Dish a dessert should not be eaten by your teacher." The erotic body of the human wife and students are suddenly shot down!