[JUQ-458] While my wife was on a business trip, I was seduced by my sister-in-law, Nao, and we had intense creampie sex until the sperm I had accumulated for 30 days was emptied... Jinguji Nao (Censored)

I work for a company and live alone in this house. My wife, who is the breadwinner, travels a lot on business trips, and when she comes home on holidays, she is asked for her body as if to relieve stress, and she is exhausted. Perhaps out of concern for me, my sister-in-law, Nao, often came to visit our house. Then, I complained to Nao-san about being forced to abstain for 30 days in order to have a baby, but Nao-san touched my crotch with an inappropriate smile on her face and told me that if I could resist it, she could love me too. Whisper...