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