Overall, I gave the show a 6/10. I thought the series started out very well, the first 12-15 episodes being a 7-8/10, but it seemed to drag on afterwards, almost unbearably so.
The characters are well done, the animation is alright (the soft feeling fits with the genre), and the soundtrack is decent.
The anime ends about halfway through the manga, so a lot of stuff is left out. There's even a 5 year jump in the manga (where the anime ends).
I'd say it's worth watching if you're really into romance series, otherwise, you'd be wasting your time.