Koume is a married woman who still retains a sense of youth, but whose sensuality is beginning to blossom. Her first affair, a "Married Woman's Affair Trip with Creampie Sex," is filmed exposing her naked body and private parts. Although she is confused by the camera pointed at her, the anticipation of sex begins to bubble up inside her. Eventually, she lowers her beautiful, prominent breasts into the bathtub, and entrusts her body, which has yet to experience true pleasure, to the man she has never met before...