It's could be a really great shoujo but... Has its problems. The Arima arc drags out so much, and when you think it's finally over, then his dad's arc pops up and it's very exhausting and pretty stupid at some moments (if you've read it, you know what i'm talking about, lol). This all is especially frustrating because the moment this starts, focus never really comes back to Yukino, while she's a very lovable and interesting character. Also kinda disappointed that we get the pregnancy thing. I mean why. Author could have had them go pursue their passions after school, and after timeskip they'd still already have a family.
Another point: age gap relationships. I mean, product of its time, I guess, but made me cringe anyway. Especially the thing with Asaba in the end (I prefer to think that it didn't go anywhere then).
If it wasn't for that, I'd call this a great manga. Still, in other aspects it's very good, and kinda balances the more realistic stuff and some of the common shoujo tropes. Yukino as the main female protagonist also was kinda refreshing. I don't regret spending several hours of my evenings on reading this.