If you loved Nana 2, try Nana
Eine Brücke zwischen einem Film, den du schon gesehen hast, und einem, den kaum jemand kennt. Das teilen sie, und was der zweite macht, was der erste nicht macht.
Was sie teilen
Both films are directed by Kentaro Otani, and they sit in Drama / Music / Romance territory. If that's the register that drew you to Nana 2, the second film will land in a comparable space — through a different lens.
What Nana is
Here's a film about young people making questionable life choices. Two women both named Nana meet on a train and decide to become roommates in Tokyo. It's a fairly accurate depiction of being twenty-something.

