Evil God, Help! the Strongest Player Possesses the Weakest Saint

"Endless Sky" - an open world game with unlimited freedom. And I am the top player in this world. I have slain dragons and beheaded demons, Even the gods and the chickens in the town died in my hands. I start wars, punish evil, kill NPCs, occasionally steal things, and then save the world. In the end, I rode a thousand horses and became the Lord of Skyrim, until I got an arrow in the knee... However, during the live broadcast one day... "... Eh?" When I opened my eyes again, I had arrived in the world of "Endless Sky". Moreover, I actually possessed an NPC girl I had never seen before. "Lord Evil God! Please save me~!" "... Wait!?" "Why am I considered an evil god!?" I know everything about this world. I know the mechanisms of the world that even the gods don't know about. This is not a story about a saint who saves the world. But—— The strongest player who knows all the secrets of the world, The story of conquering the entire world as an evil god.