~Ciel x Demon Queen!Reader~ Dark Love

~A few decades ago lives a demon queen. She was killed by a unknow darkness. Three decades later the queen came back from the grave. A few weeks later she meets a boy name Ciel Phantomhive with his handsome butler Sebastian Michaelis both join together to solve a mystery thats been happening around England. But they feel like there beeing watch by a creature, a demon, a unknow darkness...