月刊アフタヌーン
, literally Isaki of the Cub, is a Japanese manga series written and illustrated by Hitoshi Ashinano. It first appeared in the August 2007 issue as a one-shot and subsequently became a semi-regular feature in Kodansha'a "Monthly Afternoon" manga magazine. The series ended in the January 2013 issue, and the final volume was released in January 2013 as well.