Chapter 0: From the past. (Part 1)

It's 1990, the year which humanity discovered the truth about the parallel worlds, 7 worlds have been known, only 3 of them the humanity could communicate with them, such a thing was kept secret from the public, since revealing this news would have a tremendous impact on the modern civilization, so only the higher-up of several nations had this special classified information, after all, the world was devided into 3 dominant factions, there was a cold war on the meantime, the one who gets in touch with the other side would be the winner, us the humans had a high expectation, we believed that we will get a hold of some new resources, knowledge, alliances, wars, and weapons, we believed that we are far behind on the technology levels, that they are the advanced side, we were preparing to start a war against the unknown world, as for how we communicate with them, it was purely a chance, after the second world war, we discovered an absurd phenomenon, it was like this, imagine a beach, you are several metres away from the sea, there is a boat on the water facing you, if you try to concentrate your vision on the boat, you're going to notice a crack on the air, if it was horizontal this crack will suck you in, and if it was vertical, it will try to push you away, a lot of theory was talking about the possible reasons of why this phenomen occurs on special locations that most of them have one thing in common, there were once a nuclear bomb test sites, in the US, Nevada, New Mexico, Colorado, in Algeria, USSR ,Western China, Pakistan, India and lastly Japan, there is some Cracks on Syria, Greck, Kongo, Switzerland and some in the ocean, out of 87 confirmed sites, only 51 are horizontal types and 35 vertical types, there is only one that is an irregular type, they were kept on secret the tree super powers agred on a truce and signed several documents wich by theem they created ADCO a.k.a Anti Dimensial Cracks Office, it was a secret world wide agency wich specialzed on the super natural events, they studied the cracks, the even communicate with the other sides by receiving morse codes from vertical types, and sending the others by the horizontal types, they classified this cracks and give them proper names, ranking, and even creating a science wich based on the physics wich each "Door" characterize with, it's 14 March 1995 the year wich all communications with the other sides stopped, 13 April, the gates vanished, 17 May a great earthquakce strike all the corners in the world, 285.546.110 deaths has been confirmed, 1.5 trillion is the cost of the reconstuctions, the woorld has never been in this situation before, the public want to know what happened, the elite-class pushed on the ADCO, the angency didn't know the causes, only one thing was clear, the "Door" has returned, this time there were in small numbers, but they were open, this what will gonna change the world forerver...