The Worst Villain is Actually a Cute Girl

In a future city intertwined with science, magic, and various races, a fearsome villain lives. “How dare you try to use such a young child. Do you have no conscience?” “It’s truly regrettable. To think that this girl could be the key to eradicating a den of evil.” “You can rest easy now. We will definitely protect you.” Sorry, but I’m actually that villain… It seems like a serious misunderstanding.