Angel of Darkness

Gracelynn is the Princess of England and also Ceil's long time bestfriend. All of that changes when Ceil is kidnapped by the occultists, Ceil knows that he must keep his Devilish Butler's secrets and Gracie knows she must keep her own. They meet again when both Ceil and Alois are unable to dispel the Queens worries, with so many secrets that must remain hidden how will they recover their friendship? Especially since Sebastian seems so curious. It's a hell of a hard life living as a Hybrid... (Ceil X OC)