Behold, one of my villains of the Lurangel series, his name is Doom Rex.

Species: Kuroicon
Age: Unknown
Height: 4 feet tall
Weight: 95.5 lbs
Personality: Darkish, Evil, Threating, Aggressive
Birthplace: Underworld of Kuroicons AKA Kuroicopolis

He is the Monarch ruler of Underworld known as Kuroicopolis, Doom commands his henchmen out to the Blublex world to threaten and destory every peacful Blublexes around world known as Blubtopia. Doom's goal is to send every last of man-kind into Blubtopia, turn them into Blublexes, destroy them to Blublex & Human extinction, turn the sun into a red giant, and rule both Earth & Blubtopia.

But the only way is to stop him is to find a bright secret weapon to destory Doom Rex and Kuroicopolis.

Will Lurangel and her friends stop Doom Rex from desturtion to the peacful two worlds, so Lurangel can return back to human again?