I Killed Gods and Immortals, but Was Tricked by It

[Fantasy + Invincibility + Adventure + Machiavellianism + a little bit of science fiction] This is a world without gods, fairies, monsters, and demons. But since Gao Junyun appeared, gods and demons have come in droves. He had a perfect start, but strange events happened one after another. Gods and immortals may not be trustworthy, and demons and demons may not be hostile. Something is wrong with the world. Who has been secretly planning everything? Watch how the protagonist gradually unifies the troubled world from a playboy who is despised by mainstream society, kills gods and immortals, kills demons and captures demons, and finds out the mastermind behind everything.