well idk the story of black butler...but i know a animê "hayate the combat butler" which has the word butler in it! you can go through the story in wikipedia!
Um weel because you kinda said two of my fav animê i think you'l have to try pandora hearts or 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