Lady Death (Black Butler x reader)

y/n, is the horsemen death and she is soon captured into the Phantomhive manor to obey Lord Ciel's every command. Although she has a hellish orgin, she was granted the ability to feel. This, caused her to enjoy every single moment she had taken a life. However that desire pushed her into a deep insanity she has troube crawling out of at times.
But after meeting certian men, demons, and reapers, she can feel her insanity slowly fading. Only one can truely save her from herself.

SPOILERS

This is after Ciel becomes a demon. And him and Alois aged to be 21 years old men (unless you like their original age, I will not be too specific so you can just pretend if you want to) Either way, this means Alois and Claude did not die in this version.
involves
Sebastian x reader
Ciel x reader
Alois x reader
Claude x reader
MAYBE
undertaker x reader and Will x reader I don't know yet

I DO NOT OWN BLACK BUTLER OR IT'S CHARACTERS