The Phantomhive name is notoriously infamous in the underground black markets of London. Since the late Earl and his wife died, their son Ciel has become the new Earl, his sister at his side. She never goes out because of her poor health and she's very shy ever since she was young. Now both have the same seal that is bonded them to separate demon butler's. What will happen to their soul when only half of each is bound by the demon's contract?
3 parts