They may share the same first name, but Nana Komatsu and Nana Oaski couldn't be more different. Both have just moved to Tokyo, but while the naive Nana K. is hoping to find true love in the big city, Nana O. is a swaggering punk rocker with just one dream: become Japan's No. 1 superstar. In a world exploding with romance, music, fashion, gossip and all-night parties, see how two very different women become best friends.