The Hidden Things.

Ciel's parents died in a fire, after summoning a demon, going back to his manor and rebuilding it and becoming the queen's dog guard his mother's sister, his aunt, Madame red, dies. He continues with his business after the funeral.
One day while visiting Undertaker's shop he see's a woman there, thing is, she isn't dead. Turns out she works there. She looks to be 18 ish, she's beautiful and has a striking resemblance to him, she's very outgoing and bubble but she keeps lots of secrets. Ciel invites her to his manor because he's curious as to who she is and why she looks so familiar to him and he wants to know her secrets, every.last.one.
What will happen with this new young woman living in the house of Phantomhive?!