My stepfather I hate is being raped at night...

With the opportunity of getting married, An quits her job and has been living a happy married life as a housewife. However, there is one thing that makes Anzu complain: she lives with her vulgar father-in-law. She doesn't want to be alone with her father-in-law during the day when her husband isn't around, so she has no choice but to return to work, but after returning home from work, she ends up getting tired and falls asleep at home where only her father-in-law is. When the father-in-law finds the defenseless Anzu, he makes the most of his son's absence and plays with his young body and rapes Anzu. From that day onwards, whenever my father-in-law was alone, he would always commit a beautiful wife...