Prologue: Nana and NANA (序章. 奈々とナナ Joshō. Nana to NANA) is the first episode of the Nana anime. The episode shows how Nana Komatsu and Nana Osaki first met. It covers the last page of "Nana – Nana Komatsu", Chapter 1, and part of Chapter 2. The opening song is "Rose" by Anna Tsuchiya and the ending is "A Little Pain" by Olivia Lufkin.