The Mastermind Behind the Scenes, I Created the Age of Mythology

I supported the heroes of the past, created the taboo organization at random, and even directed the fateful villains myself. When they stand on top of the world, want to find the truth and change their fate against the will of heaven... I, the only mastermind behind the scenes, finally stepped out from the darkness and had a showdown with the entire mythical era that I had created with my own hands!