Gatekeepers Episode 1 [part 1 of 4]

For those who wanted to watch the episode 1 of GateKeepers, here it is! This is part 1 of episode 1.

Although I know that there's already an episode 1 here on YouTube, I'll still uploading it ^^

Please note that I DO NOT own this anime in any ways.
I am only uploading this mainly for your enjoyment.