"Everyone, I, the Demon King who came often, will retire today." The inhabitants of the Demon World rushed to the sudden declaration from the Demon King who ruled the Demon World. The aide desperately tries...

An "alternate world (isekai) school gag" manga. The manga follows Yamada, a company employee who is around 30, and a young demon king. [NN]

The strongest Demon King, Ahriman, aims to rule every part of the world. However, he had to stop his world conquest all of a sudden. What is the unexpectedly cute reason behind this...?

In a world where demons and humans are at war, there exists a Demon King, whose voice holds a power that destroys all in its way. When an unusual Hero attacks his castle, what's a Demon King to do other tha...