This is a story about a virgin who was aroused by the plain wife of the neighbor, and was reversed and trained by a sweaty reverse impregnation press.

Even after becoming a university student, I am still a virgin, and I end up living alone, which I had always wanted to do. On the day of the house, I headed over to say hello and learn that Kana, a defenseless and seductive married woman, lives in the next room. From that night, I had become a routine to masturbate by hearing Kana's moans sound from the thin walls. A few days later, the conversation began to talk about muscle training, and when I told her that it was my hobby, Kana also seemed to want to train her body, and she ended up teaching her...