I don't like the childhood familiarity of superior students very much! So if you are stupid, even the stingy thing will be hard to do! Mitaka Wakui

The only person who was firmly raised like an older brother and sister. His parents asked him to take care of him because he will be away today, and decided to do housework at his childhood home. He was the one who listened to what he said and took care of his surroundings, but his request gradually escalated ...! the erotic development has become more and more unfamiliar...!?