The lives of the humans suddenly took a U-turn when a large portal opened up in the Exosphere and filled the world with a dark miasma following which things similar to smaller portals which later on were called as dungeons started taking form at regular intervals all around the world. After losing everyone that he loved because of his own weakness, when he was almost at the verge of death he was sent back in time, to the 'Time when it all began'. Filled with knowledge about the future would Willson be able to gain enough strength to protect all those that he love and want to protect so that he won't lose them again because of his own inability? It's something that only time will tell...