My wife's father passed away, and my mother-in-law Kozue started living alone. My wife was worried about her, so we decided to live with her. My mother-in-law was kind to me, her son-in-law, and living together was supposed to be going well. However, after we started living together, my wife started refusing to have sex at night, and now we don't have sex. So recently, I've been fooling myself by fantasizing about sex with my kind, busty mother-in-law. Today, I was Kokoro by my mother-in-law's cleavage and fantasizing about having sex with her. That night. Unable to sleep, I sneaked into my mother-in-law's bedroom. I found my mother-in-law comforting herself alone. My heart was beating fast, so I went to my mother-in-law. And we reached our climax with the intense sex with my mother-in-law that I had dreamed of. However, my wife saw me like this, so unfortunately I had no choice but to leave the house. A year has passed since then, and I've been divorced and spend every day in a dull manner. On my way home from work, a familiar woman called out to me...