The story follows the manga immediately from where it left off in season 1, after episode 15. This anime can be said to be of 9 episodes rather then 10 as the first is quite similar to season 1 episode 1.It starts of slowly and lightly; there are a lot of funny scenes that are typical of a black butler series (perfect Sebastian's love for cats, the annoying Elizabeth, and Phantomhive's trouble making trio..) but towards the ending the series takes on a dark path. It turns rather bloody and gruesome with a load of revelations.
The character development is different for different people. Some characters are done beautifully while others are just for screen-filling.(That is the right word, right?) When first stringers'' back story were revealed you can not help but feel sorry for all of them.(However I HATED that Lord Kelvin)
The art is beautiful. Season 1's art wasn't impressive, season 2's was slightly better. It was elegant- but it was not suitable for a series as dark as black butler. But the art of Book of Circus (obviously)outmatched them both. It was beautiful and it suited Kuroshitsuji. The sound was awesome. I really loved the opening- easily one of my favorites.
Overall I enjoyed this series a lot and I did not reject anything from this anime. A great anime.
