The main story is complete! Side stories will be updated irregularly.

[The complete 4-volume book edition is available from Saga Forest.]

[A manga adaptation is currently serialized on Manga UP! Comic volumes 1-5 are available now.]

Rudis, who would later be called the Wisest and Strongest Emperor, meets an unfortunate end due to the "Imperial Seal" that tames monsters.

Reincarnated a thousand years later, Rudis inherits his past memories and, seeing this as an opportunity, decides to become an adventurer, but...

In this future world, he encounters the familiars who once served him.

Rudis acts as an ordinary adventurer in public, but decides to live secretly with his familiars.

This inadvertently leads him to eventually take on the hidden identity of an "Emperor."

This is the story of a former emperor who, alongside his old and new companions, aims for unparalleled strength and a peaceful life, occasionally saving the world.