Re-employment as a dungeon explorer!? A loose and cute adventure story of a former company employee and a group of little demons! Keita Todo, a middle-aged man, can no longer bear the absurdity of being a company employee, quits his job, and becomes unemployed. While living a lazy life, his moratorium on daily life suddenly changes when he happens to meet a small demon, Ryuia, and a fluffy dog (?), Van on the way to go shopping! In order to return to the world they came from, they decide to conquer the “Dungeon” together, which is inhabited by various resources and monsters. The dungeon exploration life of a mid-year man who has broken free from the constraints of society begins! !