You and Me.

Kimi to Boku. (君と僕) is a Japanese manga series written and illustrated by Kiichi Hotta about four teens, Yuta and Yuki Asaba, Shun Matsuokan and Kaname Tsukahara, who grew up together and a half-Japanese transfer student Chizuru Tachibana who joins the circle of friends. In 2011, it was adapted into an anime television series by J.C. Staff.