You are a family shifter, each member of your family turns into a different animal, you are a cat shifter. You have a brother, he's 24 and a lieutenant colonel in the British special forces, he's a tiger shifter. The government hides the secret of your family. One day, when you were walking in the streets in the form of a cat, Sebastian saw you and took you to Phantomhive's mansion. When he returns to his room from work, he does not see you and looks for you, he sees that his cat is a human.