6 decades books

Nathaniel Patch was a regular guy in his world. Although his parents had died and he had to take care of his brother Leo, he was very content with his life and pleased with how things were going. Despite all the hardships he had to face and the sacrifices he made to get to where he is now, he was happy he had a life, and most of all, his little brother was happy as well. But all of that would crumble due to an unexplainable and unfortunate sequence of events. Nathaniel (or Nathan), along with his best and only friend Jason, would meet a tragic demise in a terrible car accident. Now, reincarnated into another world as a lesser demon possessing the body of a dead soldier on the battlefield, he has to wander the world and survive.