Misako is a boss who strictly guides her incompetent subordinate, Sato, to help him become a full-fledged professional. One day, Sato's work remains unfinished, and they end up working overtime together. Although Misako is irritated with Sato, the situation takes a sudden turn when she notices his lewd gaze fixed upon her. Feeling joy at being seen as a woman by Sato, Misako begins to show off her body and tempt him instead. Alone together in the office late at night... it doesn't take long for them to fall into a forbidden relationship...