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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!

(Source: ComicWalker, translated)

Note: Only the first part of the third chapter was released before being removed.

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