Kuroshitsuji: Book of Circus is the arc from the manga that follows the curry contest arc. For the curious, and not in the know, the original anime followed the manga. Plot Summary: In Victorian-era London, on the night of Ciel Phantomhive's tenth birthday a fire destroyed his manor and killed both of his parents. Sebastian Michaelis (セバスチャン・ミカエリス, Sebasuchan Mikaerisu) is the demon butler of the Phantomhive. Hi guys! I'm here with another Kuroshitsuji crack but form now on I think I'm going to use more parts of the circus than the last two seasons because I. 黒執事・サーカスの書 OP Black Butler: Book of Circus (TV) Kuroshitsuji: Book of Circus OP.