I am Demon King of the Abyss in Nazarick

【Invincible】【Crossover】【No System】【Light Novel】【Overlord】【Undead King】

The fire of curse sweeps across the earth, and the chains of sin bind the wicked.

The oldest evil, and the strongest demon in the abyss.

Arno, who traveled to another world with Overlord, simply wanted to live a life of idleness and wait for death.