A married woman with a back door ~The kitchen is a woman's sexual area~

Satomi is a typical Showa wife who takes three steps behind her husband. It's been 5 years since we've been married, and I've started to feel lonely at night as a couple. While outwardly pretending to be a happy couple, they do their best to suppress their simmering sexual desire. One day, while I was indulging in masturbation in the kitchen in the middle of the day, a rice vendor came to ask for help and spied on me! Satomi tries to fix the situation, but an excited rice vendor rushes in...