(TO SEE THE SERIES BEFORE THESE OVAS GO TO THIS LINK.http://www.veoh.com/group/gate-keepers#)Can the powers of the Gate Keepers save Tokyo from aliens who feed on mankind's darkest emotions? The Invaders are aliens wrapped in trench coats, packing massive firepower, and sporting horrible complexions. They're taking over Tokyo, exploiting humanity's dark side to turn people into their minions. It has been 30 years since the first round of major battles with the Invaders (chronicled in the original Gate Keepers series). In the 21st century the Invaders are still nasty, still lurking everywhere, and still able to meld with each other to form huge, formidable beasts and machines. Fortunately there's someone to stop them: the Gate Keepers.