Mars of Destruction
Some time after a space mission to Mars ends in destruction, strange monsters called "Ancients" begin appearing around Tokyo. A group of specialists consisting of three girls and one troubled young boy must fight the Ancients until they can come to understand exactly what it is they are fighting. When one of the Ancients tells them that they are the true invaders of Earth, they must search within themselves to grasp what truly is reality.
In 2016 a manned probe send from the Earth to invistigate Mars explodes in the Earth atmosphere and fragments which contain a dna sample of what is thought as a trace to possible Mars inhabitants fells on Japan.
That causes mutations all over Japan. People who are infected by that "virus" are called the Iseki-jin (relic persons). The AAST is founded, obtaining the cooperation of structure Doctor Hiroshi Hyuga they develop a suit, "Mars", as a trump card against the relic persons.
The carrier of the suit obtains super powers but only a few people, who are dna compatible with the suit are suited to wear it. Tairu, the son of the doctor was the first person who was able to wear it.
When the fragment which fell to Earth is being transported to a laboratory in the USA for an analyze the transport is being attacked by the relic persons, now Tairu has to fight and defend it for a final solution in this incident.