Adapted from the original work, My Stepsister Became My Sex Partner - Akiyama Shoko MIMK-064

Xiangyue Tong lived a happy life after marriage, but had only one problem: her husband's scumbag brother. While her husband was away, he offered to give her massages as a way of repaying her for her usual care, and then took the opportunity to assault her. Afterwards, he treated her like a sex partner, coming over every day to violently fuck her until he ejaculated inside her!