S01E01 Prologue: Nana and NANA
Nana recalls the first time she meet the other Nana on the train while traveling to Tokyo.
Nobu comes to terms with his feelings for Hachiko whilst Nana confides in Yasu that she will be by Hachi's side no matter what she decides - even though she disapproves of Takumi. Ren asks Nana to move in with him. Reira gives Shin money to spend the night with her.
Nana Osaki and Nana Komatsu meet while traveling to Tokyo in pursuit of their respective dreams, and decide to be roommates. Although drastically different people, the two become very close and together they find out if their biggest dreams have room for their best friend.