In North America, the series was licensed for English language release by Del Rey Manga. Del Rey announced that the series would be censored, however, it was later stated that it would be uncensored but shrink-wrapped with a label stating "Contains Explicit Content, Ages 16+" on the volumes' cover. Akamatsu stated that he was not angry with the edits, but rather amused. From volume 13 onwards the manga was published without the shrink-wrap. Del Rey published the first 28 volumes from April 27, 2004 to October 26, 2010. In October 2010, Kodansha USA announced that they would take over Del Rey titles, including "Negima!". Kodansha USA release the remaining 29–38 volumes from May 17, 2011 to April 23, 2013. Kodansha also republished the first twenty-seven volumes in nine omnibus volumes from June 14, 2011 to February 11, 2014.