ある日、結婚記念日も近いことから、夫の提案で近所のペアエステに行く事になりました。結婚後も私を一番に考えてくれる誠実な夫。この人を絶対裏切らない、そう心に決めていたのですが…。お店に入ると夫を女性店員が、私を男性の清水さんが担当する事になりました。マッサージは順調に進み、不安を抱く事もなかったのですが、仰向けになった時、清水さんの本性が露わになりました。夫が眠る横のベッドで夫にも見せた事がない『まんぐり返し』の状態での施術が始まって…。

One day, with our wedding anniversary approaching, my husband suggested we go to a nearby couples' spa. My husband is a sincere man who always puts me first, even after we got married. I had decided in my heart that I would never betray him… When we entered the shop, a female staff member was assigned to my husband, and a male staff member named Shimizu was assigned to me. The massage went smoothly, and I didn't feel uneasy at all, but when I lay on my back, Shimizu's true nature was revealed. On the bed next to where my husband was sleeping, he began the treatment in a position I had never even shown him—a position where I was completely exposed…