The winner of the 33rd Fantasia Award, a cyberpunk fantasy, has been adapted into a manga with stunning artwork! In the year 2099 of the Integrated Calendar, in the city of Shinjuku, a city that has reached the ultimate pinnacle of development, the legendary Demon Lord Veltol returns. Amidst the splendid prosperity of the colossal city-state lies a brutal 'darkness' concealed beneath the surface. With the intention of dominating this new world, the Demon Lord rises to action within the boundless future!

The year is 2099, Shinjuku City. The legendary Demon Lord Beltre has reappeared in this future city that has achieved ultimate development. The glorious prosperity of the giant city-state and...... the terrible "darkness" hidden behind the scene. In order to rule the new world, the Demon Lord is moving into the future! Was serialized online on Kadokawa Shoten's Shōnen Ace Plus from November 5, 2021 to 2022, before being removed from the website for unknown reasons.