元ブラック企業社員で現ニートの田中次郎へ届いた1枚のチラシ。それは“異世界企業MAO”の求人募集だった。気になる業務内容は、魔王軍の一員として『勇者が攻略できない迷宮』を作り上げるというもの。後日、興味半分で受けた面接で、強大な“魔力適性”がある事が判明し、魔王軍に歓迎される次郎だが…?異端の“異世界×お仕事×成り上がり”録、堂々開幕!!
Former black company employee, Jiro Tanaka leaves his job due to overwork. In his home, he founds a job recruitment template which is from another world company. The job is to test the dungeon created by the demon king. There, the days of diving into the dungeon as a “dungeon tester” were waiting for him to complete the dungeon that even the hero would not be able to clear. He has a hot dark elf boss who has an amazing ability “Magic resistance”. The New life of our MC starts!