This has to be one of the saddest shows ever, the last episode was so incredibly sad. The show is perfect in all the ways. Solid plot. Solid and deep characters. Great music. As all ways the English dub was horrible. Another great thing about this show is that there are somethings that you won't recognize if you don't look for em or re-watch the whole series, like that Haruka's little sister Akane probably had a crush on Takayuki, that's only of the things that's easy to miss.
Another great thing is that this is not only a tearjerker, it also has comedy, either if it's in the form of Akane or the two waitresses at Takayuki's work. This show is a must see for every one, i can't think of any one who likes anime that would dislike this masterpiece!