He Who Can Deceive Even Demons (Black Butler x FTM reader)

(Y/n) (L/n) was known across London for his intelligence, wit, and his perfect logic in business dealings. No one knew just how he came to be the heir of the (L/n) business. After all, the public had only ever heard of the family's daughter... Or at least what they had assumed to be the family's daughter. (Y/n) forme...