This drama is adapted from a comic of the same name.WellBlack, a purely black-hearted enterprise that regards employees as the gears of the company, and the director of the second lesson of the sales department, Ichiro Yasumi, is an excellent social animal who actively interprets overtime as the company's hospitality, complaints as the customer's call for love, and low wages as the humble self-taught tactic of getting % of the humble self.