月刊アフタヌーン
Written and illustrated by Yuki Urushibara, "Mushishi" debuted as a one-shot in Kodansha's "Monthly Afternoon" on January 25, 1999. Later, it was serialized in Kodansha's "Afternoon Season Zōkan" from 1999 to 2002. It moved to "Monthly Afternoon" on December 25, 2002 and was serialized until August 25, 2008. Kodansha collected the chapters into ten "tankōbon" volumes published under the "Afternoon KC" line from November 20, 2000 to November 21, 2008. On November 21, 2013, Kodansha started to re-release it under the "aizōban" format in their "KC Deluxe" line, concluding with the tenth on July 23, 2014.