Xenoneo (Working Title)

As a massive disaster was going to happen leading to the world's annihilation, our hero made a million year time travel possible for people around the world. For that purpose they used up every piece of crystals they found. but the out come didn't get as expected. The time travelers was supposed to arrived in about a year period but that period got larger into thousands of years and people from the past are still coming.Story begins as the hero arrives. Just finishing his time travel, the hero has appeared in front of a kingdom in the new world.