The Eminence in Shadow, Vol. 1 (Daisuke Aizawa, 2021)

There's only one thing in this world Cid wants to be. And it's not some blandprotagonist or the final boss-he has his eyes set on becoming a mastermind workingin the shadows. Now that he's been reborn in another world, Cid has been hard atwork, building the perfect stage to act out his long-desired role. The issue is thatthese imaginary adversaries and plot devises exist in this new world...and he's theonly one left in the dark!