Ayane is a wife whose husband is Osamu, a landowner and landlord. Perhaps because of her chronic back pain, all of her treatments are completely useless, and she hasn't been a married couple at night for a year. Ayane, an active woman, spends her lonely days indulging in masturbation alone to calm the aches in her body. One day, Sakurai, a chiropractor, moves in next door to the Asakura family. Since Yoshimi is next door, Ayane gets a massage for a cheap price. After making Ayane crazy with her exquisite finger technique...