Aika and Shinichi begin living together with the intention of getting married. The caretaker I visited during the move was a nice man, but a bit suspicious. One day, while Shinichi was absent, Aika sent a caretaker home to ask her to fix a water supply problem. Eating souvenir Western candy causes intense drowsiness. A caregiver was sweaty and sticky when he noticed it. Sex thick with bodily fluids is repeated since the day the pleasure exceeds the disgust. Slowly, Aika's body and soul were defeated …