Good news: He traveled to another world and became the Demon King, inheriting an entire Demon King's City!
Bad news: Demon King's Castle is mortgaged.
Good news: There is a system!
Bad news: The system kidnapped the wrong person, it was for the brave.
To revive the demon clan, the demons are responsible;
See how Demon King City became the city with the most people on the continent,
See how the demons pushed the human race into the era of great crusade,
What? You asked the devil what he was doing?
The Demon King cosplay hero went.
