Marina, who lives a happy married life, is a leader at her part-time job and has a slightly arrogant and haughty attitude. One day, a dull middle-aged part-timer who has feelings for her goes to a boob bar and encounters Marina working there! Marina's secret part-time job is discovered by her husband, and the middle-aged part-timer threatens her and forces her to have sex. At first, she is reluctant, but...!?