We all know of Fujimaru Ritsuka the last master of Humanity and its savior a dozen times over. We all know that they have two differing fates but what if there was a third one, one a bit more extra universal in nature. This is that story, the story of how the last master of humanity met a certain Ruler class servant that would irrevocably change their fate. This is the story of The Ruler In Black, Asta of Hage
23 parts