0.0000001%-ui Mawangnim

A demon king named Astrea assigned 72 selected Demon Lords the mission of destroying the world. Each was tested and given unique powers. Kharos, who rules over madness and greed, was one of them. However, his power was considered inadequate. He was given the ability called "Gacha," which relies on luck and has a very low success rate. Despite this, Kharos tries to use it to spread madness and greed across the world.