Nana is a Japanese manga series written and illustrated by Ai Yazawa that was adapted into an anime television series in 2006, with 47 episodes total.
All vocal songs featured in the show were performed by Anna Tsuchiya, who provided Nana Osaki's singing voice, and Olivia Lufkin, who provided Reira Serizawa's singing voice.
The first episode aired to a 6.2% audience share in Japan.
[1] The series has been licensed for a North American release by Viz Media, which they first announced at San Diego Comic-Con in 2007.
[5] The first English DVD box set was released on September 8, 2009; the second on November 24, 2009.