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…
