Yugo, written by Shinji Makari and illustrated by Shuu Akana, was serialized in Kodansha's Monthly Afternoon magazine between 1994 and 2004. The chapters were compiled into 22 tankōbon volumes and published in the Kodansha's Afternoon KC line between June 23, 1994, and September 22, 2004.[1][2] From 2004 it started to be published as Yugo the Negotiator in Evening. The first volume was published on September 22, 2004 in the Evening KC line,[3] with subsequent volumes published in the KC Delux line.[4][5]