A lone genius gambler, Takashi Madarame, suddenly appears in another world. Immediately upon his arrival, he’s burdened with an impossible task — to operate his own dungeon and accumulate 10 billion Dungeon Points. Standing in his way are countless unreasonable rules. But for a man whose skills were forged in the fires of the gambling underworld, outsmarting the system is second nature. Together with his hardworking partner Kerama, he builds the ultimate forbidden creation — a flamboyant casino dungeon that doesn’t kill adventurers… it addicts them! “Welcome to my dungeon — Paradise. Enjoy yourselves to your heart’s content.” From slot machines to hot springs to all-you-can-eat buffets — you’ve never seen a dungeon like this! The maverick gambler’s outrageous dungeon management survival begins!