A hardworking daughter-in-law named Momo works while taking care of her stepfather, who used to be a masseur. One day, she starts experiencing pain in her lower back due to exhaustion. To help her out, her stepfather gives her a massage using his skilled techniques. However, unbeknownst to him, these techniques end up stimulating not only her body but also her womb. As a result, Momo experiences intense pleasure that she never felt before during intercourse with her husband. This newfound sensation leads them down a path of lustful desires, and they find themselves unable to resist each other. Before long, their bodies are yearning for a passionate encounter that transcends the boundaries of their special relationship... #BossLadyP

義父の世話をしながらも働く頑張り屋の嫁・ももは、日々の疲労から腰を痛めてしまう。そんな彼女のために元整体師の義父はマッサージを施すのだが、義父の老獪な指技は意図せずももの肉体の凝りだけでなく子宮も刺激してしまう…。子宮イキという夫では得られない快感、介護という特別な関係…密接に触れ合う二つの肉体は欲望の加速を止められず、気付けばももの子宮は義父との濃厚な性交を求めてしまうのだった…。＃班長P