Shadow Kiss (Sebastian x Dark Angel! Reader)

The Only Dark Angel on Earth, (name), has been taken in by the Phantomhive estate... Even though she does not want to be there what so ever.

She meets the one and only Sebastian, the Phantomhive's demon Butler. She is very interested in him almost instantly... ALMOST...

But over time, (name) and Sebastian become closer and develope feelings for one an other. But once Sebastian finds out that (name) can become a Familiar to a demon, he has to protect her from multiple Demons in order to keep her by his side, no matter the cost.

But what happens when the manor is under attack by the so called "Light" Angels? And Demons come in search of a Familiar?

It's going to become an all out war......
The War of the Shadow Kiss.

(I DO NOT OWN THE CHARACTERS OF BLACK BUTLER!!!! ALL CHARACTERS BELONG TO THEIR RIGHTFUL OWNERS!!!!!)