Ken Akamatsu
"Negima! Magister Negi Magi" is written and illustrated by Ken Akamatsu. The manga was serialized in Kodansha's "Weekly Shōnen Magazine" from February 26, 2003 to March 14, 2012. Kodansha collected its chapters in thirty-eight "tankōbon" volumes, released from July 16, 2003 to May 17, 2012.