Demon King, that's me. I'm the Demon King.
I'm a Demon King, charged with the vital task of revitalizing the demon race.
So why does being the Demon King mean I have to manage population control across the continent?!
What were the previous Demon Kings even doing?!
I feel like I can still be saved...
A shut-in manga artist who happens to be a Demon King transmigrates to another world, only to discover that not only must he manage population control, but all the advantages of being a transmigrator have already been used up by those who came before him. Even so, he keeps working tirelessly under the constant threat of death.
[Come on, try saying the whole thing correctly in one breath!]