VENU-185 - 5-year sexless mom gets caught cheating by her son

Ryoko, who hasn't had sex with her husband in 5 years, is at her breaking point. When her acquaintance Sakamoto visits, she gives in to her urges and seduces him. Unfortunately, her son witnesses the whole thing. Consumed by shock, jealousy, and resentment, he decides to take matters into his own hands, driven by a twisted love for his mother.