Megumi, the mother-in-law who lives alone after her husband passed away. The daughter and her husband decided to live with Megumi, worried about her lack of energy. While cohabitation was going well, the son-in-law was living in torment every day. Because his mother-in-law's body was too attractive, he couldn't help but fantasize about having sex with her. One day, the son-in-law returned home early. His wife had gone shopping. As he was about to prepare the bath and go with his mother-in-law, the son-in-law hugged her and caressed her, saying that his mother-in-law was too attractive. Although his mother-in-law dislikes it, Megumi was originally a pervert. Even though she says no, her pussy reacts immediately and she starts dripping with vaginal fluids. "I can't believe it... that my daughter's husband has such a strong dick... I'm in trouble..." Megumi, who is unintentionally cumming with her son-in-law's dick many times. One day, after such days continued... she is finally caught having an affair with her son-in-law by her daughter...