Mayumi has not had sex with her husband for 20 years, and even though she has been cheating on him a lot, she has never had an orgasm. Since she had her first vaginal orgasm during the previous shoot, her interest and desire for pleasure, as well as her forward-looking curiosity about the next shoot, are rapidly increasing. A truly lewd wife in her 50s who is obsessed with female pleasure opens the door to a new sensual world...