Ainz is a human who originally lived in Japan who was transferred to the game world,and now he is looking for players in the world he now lives in (nazarick),Because he doesn't want players like him to be confused by the game system that changes to the real world, Ainz's goal is also to work together with fellow players.  Ainz has a cruel character with everyone and also with his subordinates even though he knows that all the guards of the great tomb of Nazarick really respect and submit to him.