A chance meeting on a train to Tokyo sends two girls named Nana on a collision course with destiny!

Nana Hachi Komatsu hopes that moving to Tokyo will help her make a clean start and leave her capricious love life behind her. Nana Osaki, who arrives in the city at the same time, has plans to score big in the world of rock'n'roll. Although these two young women come from different backgrounds, they quickly become best friends in a whirlwind world of sex, music, fashion, gossip and all-night parties!

Blast is at the top of the charts, and the band is making all kinds of P.R. appearances. Nana just wants to sing though, and all the marketing is starting to wear on her. A party planned for the loyal fans might be just what she needs to cheer her up. But there are secrets about her past lurking in Osaka, and the magazine Search Weekly is determined to bring them to light!