What would you do if you're sent to the past with nothing but stories from someone you dearly love? Yorui, a Necromancer from the Post-Armageddon world of Franzia came across an item his grandfather left that will allow him to go in the past. With knowledge of the future, Yorui thought it will be a breeze, but he didn't think that the future he know, is all fabricated lie. Follow Yorui kill, destroy, and and demolish all the traitors that led the humanity to doom.