This is a Black Butler story. Sebastian x OC. When Alois and Claude stumble across a young girl whose family was killed by murderers,they take her in,they changed her name to Saki. Her original name was Lyrica Phantomhive,but theres a catch,shes Ciels long lost sister,but only Alois and Claude know this and wont dare tell anyone in case they may take their delicate flower. She has secrets of her own. Wanna know? find out.