Three Butlers {Black Butler}

A thirteen year old girl named Katrina is the Queen's Spy Cat. Her parents died from demonds. They both had contracts, and she is going to find out what their goal was. She had a contract also, her butler was named Alexander. The Queen soon called her Gard Dog, Spidders, and Spy Cat for a meeting. She wants them to track down someone. But why so many people? {WARNING THIS FANFIC CONTAINS SPOILERS FOR THE 3RD SEASON OF BLACK BUTLER BOOK OF CIRCUS =P}