Do you know any anime where girl/boy end up with her/his childhood friend?

I think Sayron and Sakura

Fullmetal alchemist X)

not saying anything else XP

~Special A
~Tsubasa Reservoir Chronicle

Infinite Stratos (well, there's a lot of girls around the main guy, but there are two of his childhood friends, and he has more "romance moments" with the childhood friend Houki)

Digimon (Takeru and Hikari)

Oh! And try reading the manga Boku no Hatsukoi wo Kimi ni Sasagu. It's soooo sweet~ ^_^

FAKE, bikky and carol end up together at the end

i dont know

Rei and Takashi of High School of the Dead!

Qualidea Code:
Ichiya Suzaku and Canaria Utara got together after the war they were in was over.