The first twelve volumes of the manga series have cumulatively sold over 22 million copies.
The manga derives its title from the name of the two main characters, both of whom are called Nana.
The other Nana, on the other side, comes to Tokyo with the goal of making it big with her band, Black Stones.
The two Nanas are brought together in what has become a major success for Ai Yazawa and the shōjo genre.
Other important characters include Hachi's friends and ex-boyfriend, who she followed from her hometown to Tokyo, the members of Nana O.'s band (Black Stones), and the members of the band Trapnest.Nana has been made into a film which was released on September 3, 2005.