Konatsu has been dating Yuto for six innocent months when a middle-aged man named Goro approaches her after her adult school role-play and forcibly drags her into his room. For a woman obsessed with cleanliness, the garbage and stench of sweat are hell. She resists but is raped and left tormented by guilt toward Yuto. She escapes once, only for Goro to threaten her into returning later. As she reluctantly obeys, unfamiliar sensations begin awakening a pleasure she never knew.