Tokyo Friends: The Movie 2006 one on netflix

Rei Iwatsuki moved from her hometown Kōchi to Tokyo to pursue her dreams. On arrival, she found a job as a waitress in a restaurant and met guitarist Ryuuji Shintani. Ryuuji liked her voice and invited her to join his band as the vocalist, The Survival Company (also known as Sabakan). The two started a relationship but then broke off when Rei wanted to write her own songs. Rei met other girls also working in the restaurant, Hirono, Ryoko and Maki, all in pursuit of their own dreams, and became good friends with all of them. One day, Rei receives news that Takashi was seen in New York and she decides to go look for him…