After working as a Demon King for several years, the Demon King began to hate his job. Because of the magical properties, the Demon King could not live in peace with the humans in this world, so the Demon King decided to go to another world to play. Having been a demon king who has not died for thousands of years but is always sealed, the demon king said that his mental age is only in his 20s.
Cp is the iceberg prince's attack on x young devil king
Newbies, please give me some advice.