With her husband's promotion bringing her to a busy work schedule, the housewife, Sei, who hadn't been intimate for a while, found herself becoming more sexually sensitive lately, perhaps due to a rising libido. One day, her husband brought his subordinate, Hosoda, home. Sei eagerly served the two as they drank together, but accidentally rubbed her nipples and involuntarily made a sound. Later, seeing her drunken boss, Hosoda, fueled by alcohol and his resentment towards him, semi-forcefully exposed Sei's nipples...