The daughter lets her stepfather have sex because she wants to keep her mother happy

Dad passed away early, so Mom had to take care of and raise Mirei all by herself until today. Mirei knows that her mother has sacrificed a lot for her, so she also hopes her mother will be happy. And when her mother introduced Mirei to the man who would become her new father, Mirei had a strange feeling about this man. As her intuition told her, he was an animal disguised as a human.

Taking advantage of her mother's absence, he used violence to oppress and take advantage of Mirei's body. How could a weak high school student escape from the hands of a man? Mirei could only cry for help in despair. However, seeing her mother's happy smile, Mirei gritted her teeth, endured, accepted being abused by him day after day, and accepted all his perverted demands...