Leo Hoffmann walking home from the store saw a little girl in the middle of the road about to get hit by a truck, He jumps in and pushes her away but he gets hit instead killing him instantly.
When Leo Hoffmann opened his eyes he found himself in a seemingly unfamiliar world. With tall structures of ruins everywhere, trees growing as tall as the clouds, the buildings are all in ruins and overgrown. He wondered where he was as it was nothing like where he lived.
Then he realised that he had be reincarnated into a different world.