: While Nana O. works to debut BLAST and compete with Trapnest, Hachi becomes a bridge between the two groups. The rivalries and internal tensions of the rock world begin to strain the friendship between the two Nanas.
: Hachi discovers she is pregnant. While the biological father is uncertain (between Takumi and Nobu), Takumi steps up to take responsibility, and they eventually marry. This choice creates a deep rift between Hachi and the BLAST members, particularly Nana O.. The Anime vs. Manga Ending Nana (Dub)
: A tough, ambitious punk rock vocalist determined to find fame with her band, Black Stones (BLAST) . She moves to Tokyo to reclaim her career and her past love, Ren Honjo, who left her to join the famous rival band Trapnest . Key Plot Developments : While Nana O
: The series concludes with several unanswered questions, showing a future where Hachi and her friends gather at their old apartment, still waiting for Nana O., who has gone missing. : Hachi discovers she is pregnant