Although Kazuyo is a pro at what she does, her life is plagued with nothing but problems. From cleaning up messes left behind by her incompetent coworkers, to having to take care of Yuriko, the new temp worker, Kazuyo is left sighing her days away in frustration. Having to show everyone she encounters how to be better is an exhausting task, and her only solace is her secret love affair with Hakamada, a member of the sales department. But what will come of her desire to treat herself to these dangerous nightly pleasures?