Faust: The Horseman Gamer

In the vast Omniverse, there always exists an alternate reality for every time a choice is made. In one such Earth, every choice within the last twenty years has brought the entire planet to the brink of ruin. Oh, and the apocalypse started as well. In the year 2031, during the 2nd US Civil War, a young man named Faust is put in a situation where he can save his family from suffering at the hands of savages, but at the cost of his own soul being the property of Satan. After spitefully taking the offer, he ensures their safety at the cost of his life. The next thing he knows however, is that he has found himself before an entity claiming to be The Gamer System, and is also claiming that Faust can get a second chance at life! So here comes Faust, harnessing the powers of The Horseman of War to ensure that his next life will last much longer than his previous one, and that no one will stand in his or his loved ones' way if he has a say about it.