月刊アフタヌーン
is a Japanese manga written and illustrated by Mami Kashiwabara. The manga was serialized between the November 2005 and September 2011 issues of Kodansha's "Monthly Afternoon" manga magazine, and was collected into 10 volumes. A 12-episode anime adaptation by Studio Comet and directed by Shinji Takamatsu aired in Japan between July and September 2009.