Seeking a fleeting moment of desire over eternal happiness. Deep down, she yearns to be loved intensely... to be held passionately... After harboring an affair fantasy for about six years, the day has finally arrived. Kasumi Amamiya, 30 years old, married to her childhood sweetheart, has always been more like close friends than husband and wife, finding happiness even without sex. Or so she kept telling herself... Standing on the stage of her first affair, trembling with nerves, she quickly succumbs to the intoxicating pleasure of sin...