JYMA-050 While my wife was pregnant and visiting her hometown, I had sex with my sister-in-law who came to help with housework. Horikita Miku

Three years had passed since our marriage, and my wife became pregnant. She said she would give birth at her parents' home. I thought that maybe it wouldn't be so bad to have some alone time again, but my sister-in-law came to help with the housework. My sister-in-law, whom I hadn't seen in a while, was cute and had a great figure, making her very attractive. Even though I knew it was wrong, I couldn't help but look at her as a woman. The thought of being alone with her made me uneasy. Then, one day, I saw my sister-in-law masturbating and couldn't hold back any longer, so I approached her. After that…