I recently registered my marriage with a man who has a child from a previous relationship. My stepdaughter, Miwa-chan, seems to take a little time to get close to me because of her age. But I was supposed to be spending my days in a happy family... One day, Miwa-chan started instructing her male friends from school to attack me!! Even though I desperately asked Miwa-chan for help, she just looked at me being violated with a smile of contempt. And from that day on, my days of being gangbanged by my daughter's classmates began...