Lady Boss of the Unpopular Dungeon

A normal girl is summoned to be the next master of an unpopular dungeon. "No monsters to serve me, then I'll negotiate." "An arrogant prick wants to conquer me, I'll send him flying, "Some monsters don't want to fight then let's open an cafe inside the dungeon". Armed with the Dungeon Master System, her loyal monsters, and her creativity, nothing will stop the lady boss of the unpopular dungeon.