Three years had passed since our marriage, and my wife became pregnant. She said she would go back to her parents' place for the delivery. I thought maybe it wouldn't be bad to enjoy single life again, but my sister-in-law came to help with household chores. Seeing my sister-in-law after a long time, her voluptuous body and mature charm were stimulating; even though I knew it was wrong, I couldn't help but look at her as a woman. The thought of being alone in the house with her made me uneasy. One day, while peeping at my sister-in-law masturbating, our eyes met, and from then on, we…
