Nana Komatsu is a naive young woman whose boyfriend has moved to Tokyo to study, but because Nana herself couldn't make it to same university she travels there to work. On a train she meets a woman whose name is also Nana, she is the exvocalist of a band, and they get friendly with each other and later by chance they meet in an old apartment building, going to rent the same apartment. The two Nanas end up living together in the same apartment and they both have problems with love which they try to make work out.
In both, the characters' bands are breaking up and for that or another reason they end up together. Facing their pasts and seeing themselves far behind, they try to manage with their new band. Love tingles, drama and a lot of qualified music.