You just moved from America to London and you needed a place to stay, so you went to your cousin's(ciel Phantomhive) manor to see if he'd let you stay with him.

Your cousin denied your request, but you asked him where else could you stay. He gave you an address and lent you one of his carriages.

You were on your way to this unexpected address, when you looked outside and saw a big mansion, you got out and knocked on the door