月刊ドラゴンエイジ
Written by Yuna Kagesaki, "Chibi Vampire" premiered in Japan in the October 2003 issue of "Monthly Dragon Age" and ran until the February 2008 issue. It was also published in fourteen collected volumes by Kadokawa Shoten, released between October 1, 2003 and April 1, 2008 in Japan. A one-shot side story created by Kagesaki, , was included in the June 2008 issue of "Monthly Dragon Age". It concerns Karin's cousin Friedrich Marker, and concludes with a family tree of the Marker/Maaka family. A second side story is "Maki-chan, Helping Angel of Love", concerned with Karin's friend Maki Tokitou. It ends with an epilog, of Maki walking out on her husband for the umpteenth time and coming to Karin's house to help celebrate Karin's birthday. Both side stories were collected into a volume titled "Chibi Vampire: Airmail".