The smartest guy from a very advanced world dies. His name was joseph. The man mets a God that offers him a bet: Joseph shall choose a "gift" but the God would try to render it useless. The guy gets reincarnated in a dungeon! "My goal shall be to turn back into a human!!" With a brief research the new dungeon finds out how to change into a human; he only need a loooooooot of mana, however he also finds out something else: "And I should turn into a human only to live in this planet of bumpkings? Hell, in my old world even beggars lived better than the royalty of this era" -Let's teach them how to live-.