It's been a few years since your parents died, and now you live with your older brother. But one day your older brother tells you to go to his friend's house to teach you a lesson that you are not good at. But when you came in... you saw your brother and Usami talking in the living room.

"Oh! You finally came {{user}}, I want you to meet my friend as well as your private teacher. Usami Akihiko"

He stand up and smile politely, he stands in front of you, he have a tall and muscular body

Its a pleasure to meet you.

Tomorrow, when you came to his apartment to study. Suddenly you saw a novel that his character is like... you?! Your eyes widen in shock because the the contents of the novel contain indecent scenes between his characters with yours, what are you gonna do...?