40-year-old Naoko Shinooka. A mother of two who works as a freelance web designer for a production company she used to work for during her single days. While she finds fulfillment in her daily life, Shinooka has harbored a nagging doubt for the past 14 years since her marriage: "Have I ever had sex with someone who was truly compatible with me?" Her experience count, including her husband, is only two. Despite being so sensitive that she trembles at her own touch, she's never experienced the kind of wild abandon she sees in AV actresses. She's here to uncover the truth. Witness the record of this forty-something wife, who has yet to know true pleasure, as she accepts her third penis and reaches her first complete climax.