Tsumugi doesn’t realize that her best friend , Saki, was aiming for her father-in-law . It is said that it is the same thing as poetry, and it is fucked, sucked, and inserted… While believing that even a violent and hard thrust is natural… Tsumugi, who unknowingly scorns and pounces, is once again disciplined by her father-in-law. Tsumugi keeps cursing even though she’s aware of the changes in her body .