Kuroshitsuji's summary

Based on a shounen manga by Toboso Yana, serialised in GFantasy.

One of the noble families of England Phantomhive's butler Sebastian Michaels
has got unquestionably perfect knowledge, manners, talent with materials, martial arts et cetera but is also able to serve a 12 year old master.

Wearing a grey tailcoat, gracefully brewing the worlds strongest red tea, please read on to see how such a perfect butler copes with such a master...