Detective Kotone receives a request from parents seeking to stop their daughter's tormentor, a boy named Shota. Taking on the case, Kotone begins tracking him down, only to find herself unexpectedly targeted by Shota, who claims he's conducting "detective training" through a series of lewd pranks. With her slender, elegant legs and large, voluptuous breasts, she becomes entangled in one provocative scenario after another. One after another, she faces erotic trials resembling torture—vibrating dildos stimulating her most intimate areas—pushing her body and mind to their limits in an escalating series of sensual encounters.