The Strange Demon World

The Demon World was the planet of the Crisis Empire.

In the distant past, The Demon World was a peaceful planet until the Crisis Emperor arrived and conqured it, turning into an industrialized universal power which expanded its claws onto multiple planets. However, due to the Emperor's policies, completely disregarding the nature of the Demon World, its environment was destroyed and the planet itself was slowly dying, heading to complete destruction.

Aiming to save his empire, Crisis sent his army to take over Earth, planning to destroy humanity and move the population of Crisis from their original world to rule Earth. In one of of their plots to annihilate Kotaro Minami, Bosgun sent Gynagiskhan to take him to the Demon world to destroy him. In doing so, he also brought Reiko Shiratori, Shigeru Sahara & his to friends Saburo And Kengo. Reiko was found by a Professer named Walder, who along with his followers were against the emperor. They later found Kotaro and the boys and explained the planets history. Walder then Gave Kotaro a floppy Disc containing the blue prints to Ridoron. Walder was killed by Gynagiskhan, who was then Destroyed By Kotaro. Upon the Monster's destruction, a portal opened up for Kotaro, Reiko and the boys to make it back to Earth.

When Maribaron Kidnapped Hitomi Sahara to replace and make her look like Princess Garonia, Gatenzone sent out Deathgaron to Keep Kotaro from interfering. Using his Marco Eyes, Kotaro found that the red button on the left side of the Robot's chest was a way to get to the demon world. After pressing it they, both made it to the Demon World. During this quest, he gained two new forms for himself and Acrobatter as well as new weapons and a new friend and ally. He aslo learned about the Valley of miracles, Which has water that can age a person, as well as a holy spring, which was similar to the fountain of youth. There are only 30 days in a year where the sun shines upon The Demon World. Two of those times were when Kotaro was there. ,, , &