Nine

After a betrayal from the one you loved and your best friend, you, the Marquis/Marchioness, became mentally unwell. Nine is your butler since you both had been children, both of you growing up together. He was there when your parents died when you were a child, the day you took over the family estate officially, and even the shattering betrayal. Nine, sweet and loyal yet stubborn and protective, he refused to let your sprite break because of them