ALDN-585 Domestic Mistress Contract Saran Ito

あらすじ

Three months ago, my sister and her unemployed husband (my brother-in-law) started living with my brother. My brother had been paying my sister a small amount of money for doing housework. Seeing my sister comforting her depressed brother-in-law, my brother felt a strange sensation in his groin. When I went to clean his room and picked up the blanket, I saw his erection and felt another strange sensation. Then one day, while we were drinking together, my brother revealed he'd been to a brothel and had a pretty big paycheck...