Kuroshitsuji
Written and illustrated by Yana Toboso, "Black Butler" has been serialized in Square Enix's "shōnen" manga magazine "Monthly GFantasy" since September 16, 2006. Square Enix has collected its chapters into individual "tankōbon" volumes. The first volume was released on February 27, 2007. As of October 27, 2020, thirty volumes have been released.