Two girls named Nana meet on a train to Tokyo. Nana K. aims to reunite with her boyfriend and Nana O. hopes to make it big in the music business. Despite their differences, the pair hit it off and become roommates.
中島美嘉
as Nana Osaki
宮﨑あおい
as Nana Komatsu (Hachi)
松山ケンイチ
as Shinichi Okazaki
松田龍平
as Ren Honjou
玉山鉄二
as Takumi Ichinose
丸山智己
as Yasushi Takagi
紗栄子
as Sachiko Kawamura
Yuna Ito
as Reira Serizawa
水谷百輔
as Naoki Fujieda
能世あんな
as Junko Saotome
Takehisa Takayama
as Kyosuke Takakura
平岡祐太
as Shoji Endo
