Akiko Nishina is a 40-year-old wife who has only had sex with one husband. Moreover, she has only ever had sex to conceive, and has never even given a blowjob - a natural treasure! First, she is given her first blowjob lesson. Her awkward tongue skills gradually improve, and when he ejaculates into her mouth, she says with a dazed look on her face, "I'm so happy." While she is showing off her first masturbation skills, a male actor bursts in and she has sex with only the second man in her life, and she tries positions she's never experienced before. Finally, she is left in a daze after a full course of toy play and a fierce sex session with a strong cock, and a creampie!