Just the other day, I registered my marriage with a man who has a stepchild. Her daughter-in-law, Miu-chan, is probably around her age, so it seems like it will take some time for her to get to know him. But she should have been living a happy life at home... One day, Miu-chan invited her male friends from school and started instructing them to attack me! ! I desperately asked Miu-chan for help, but she just looked down at me with a smile on her face as she watched me being raped. And from that day on, the days of being fucked by her daughter's classmates began...