Masuda Keima, a lazy high-school boy who prefers to laze around and avoid working, gets summoned as a dungeon monster by a girl avatar named "Dungeon Core No. 695" who is the dungeon core of the mighty one-room...

Scamming all day, every day, often venturing alone. He bluffs to get the ultimate power in this cultivation world?! world traveler Xue Que doesn’t always bluff, but he needs to.