Written and illustrated by Ai Yazawa, the individual chapters of Nana premiered in Cookie in 2000 where it ran until June 2009, when the series was put on hiatus due to Yazawa being ill.[1] Yazawa returned from hospital in early April 2010, though has not specified when or if she will resume the manga.[2] The chapters have been collected and published in 21 tankōbon volumes in Japan by Shueisha.
Nana is licensed for English-language release in North America by Viz Media. It was serialized in Viz's manga anthology Shojo Beat, premiered in the launch July 2005 issue where chapters appeared until the August 2007 issue