In between his daily battles against Nightmares, Baku decides to apply for a part-time job offering 10,000 yen per hour and is only open to experienced workers, in hopes of earning a large sum of money in a short period of time. In order to become an "experienced" worker, he works in his dreams, but the ones who appear in that world are Nem and Minami in the form of dogs!? What secret lies behind the exorbitant reward...?