well idk the story of black butler...but i know a ऐनीमे "hayate the combat butler" which has the word butler in it! आप can go through the story in wikipedia!
Um weel because आप kinda कहा two of my fav ऐनीमे i think you'l have to try pandora hearts या hakkenden touhou hakken ibun but both of them have a reaaaly borning first episode but when the last episode was over i cried 1001 nights