Kuroshitsuji

Kuroshitsuji (aka Black Butler) is a manga series by Toboso Yana that spawned an anime series that just premiered this month. Taking place in Victorian-era London, it features a demonic butler named Sebastian who serves the 12-year-old Ciel Phantomhive, head of a noble family.

This post features a mix of manga and anime artwork.  You can view the opening to the anime on HFG's Fall 2008 Anime post.