Synopsis: I'm Not the Overlord!

I actually reincarnated into a different world and became the Demonking Overlord? ! and my task is to destroy humanity! wait, that aint right. Im a pacifist you know? im not like this at all? what? I killed a thousand human army with my energy blast?! that was an accident! it was the relic fault! It all a misunderstanding! hahaha! why cant we get along nicely? huh? so what if Im the devil? doesnt mean I like doing bad things! Stop annoying me or I will blast you to kingdom come! wait! Argh! Come on! Im not that evil! Im not the Overlord!