This trope works rather well, as proven by Undertaker's still-ongoing role in Black Butler. Like Baron Kelvin, Undertaker is obsessed with the Phantomhives and Ciel. He struggles to learn the art ...

Eventually, they contacted the Aurora society to cover up the deaths and had Undertaker ... a young Liege Lord of the village. As such, Black Butler season 5 episode 1 will introduce the main ...