9 Centimeters

Doesn't say explicitly whether they were childhood friends or not, but they do seem to go back that far.

Hope they can make their relationship work.

9 Centimeters Per Thrust
lol idk why I said that the title just reminded me of 5 Centimeters Per Second

So precious indeed. ^_^

Its needs and deserves a booty tag those awesome scenes demand it.

One simple word: SEQUEL!!!

Big where it counts......the heart,lol
You know what you thought.

Ahh...That was a nice ending.
I mean, she wanted to become just as tall as him, but ended up overshooting him. At least he doesn't seem to mind though, in fact he seems almost optimistic and says he just has to grow some.
...I'm wondering if this needs the osananajimi tag, though. They seem to know each other since childhood, after all.