Quote Originally Posted by Buffalobiian
I don't believe it, no body's mentioned Koi Kogarete Mita Yume

I don't believe it, ......... no body's mentioned^Cross Game ED1

Say goodbye to artificial tears.
Summer Rain really is fine too, from same anime.

One more time, Once more chance, if I didn't already mentionned it is great too, mostly known as part of 5cm per second sound track.
I'll let you search for many versions of that one, since it's actually an old song, some versions are a lot more tears inducing than others