I think the one thing that draws me to Anime, is the fact that the good ones, always have great character development, all of it! The way they go into detail about both Nana O. and Nana K.'s past and life story, really is amazing and deep. Also with the way Nana O. actually goes from the typical tomboy-ish/punk girl she always is, to actually talking about herself, and even Ren is just amazing. The whole show is amazing and has by far the best character development I have ever seen, and I have seen alot of shows/movies both Anime and non-anime. I own over 6,000 tv shows, animes and movies combined. I am a very big fan of Nana, and if I ever adopt a japanese girl, I think I'll learn japanese and name her Nana, but of course, use the nickname Hachi-chan! Amazing show!