presenting NANA!
Nana is based off the manga by the same name. the manga is written by Ai Yazawa (same author as Paradise Kiss

NANA is about two girls who meet on the train one day. They learn that they both happen to have the same name. They are about the same age and yet are complete opposites.
NANA was released in Japan in 2006
a continuation of this beautiful story is found in NANA 2 recently released in Japan (2007).'
NANA can be found in segments in YouTube (though I highly suggest you buy the DVD after seeing it. Lord knows I did!) via user MusicalSk8rKat.
Don't miss this amazing movie!