The husband, who runs a company, goes on a three-week overseas business trip. Rio, who has been feeling lonely in her married life due to years of not having children, is bored during her husband's absence. Suddenly, her husband's subordinate, Uchimura, visits her. Harboring loyalty to her husband and admiration for Riona, Uchimura infiltrates the gaps in her heart, forcing a secret relationship. Riona's desperate desire for a child and Uchimura's passion. From that day on, they spend every day engaged in 20 consecutive days of sex guaranteed to impregnate…
