Nanami, a beautiful wife living with her fastidious husband, is raped by her husband's boss, Sugimori, during his business trip. The forceful penetration and the repeated ejaculations of thick semen into her depths leave Nanami feeling 'defiled.' Exploiting her vulnerability, Sugimori uses her repeatedly for his pleasure. However, Nanami, who has been stressed by her husband's fastidiousness, finds herself increasingly consumed by the sensation of being filled with dirty fluid...
