Suzuki Satoru as Momonga was awaiting the server shutdown on his throne in the Great Tomb of Nazarick. When he was suddenly transported into a new world in-which he has no information about his goals are set to find the Great Tomb of Nazarick and restore it.

Suzuki Satoru as Momonga finds himself alone in a strange cavern after the end of YGGDRASIL, meeting and accompanying a slime by the name of Rimuru Tempest, he ventures out into the world to spread the name of Ainz Ooal Gown, not only in hopes of finding his guildmates, but also his creation Pandora's Actor. But how will an Overlord of a different world change the future?