SNIS-927 I am constantly trained by my father-in-law every weekday when you are not around. - Akiho Yoshizawa

In her husband's parents' house, where Akiho was to live, there was a room that she was advised not to open. - One day, the door was unlocked, and when she peeked into the room out of curiosity, she saw a collection of ominous fixtures that had been assembled by her husband's father. - While I was stunned by the strange space, my husband's father came into the room...Without my husband, the human body was fixed and raped over and over again. - However, Akiho begins to feel pleasure little by little...