
Shun, Kaname, and the twins Yuuki and Yuuta have been friends since kindergarten. It's a little hard to tell if they actually get along or not - but even as high-school students, they hang out together. Recently, they've had a new addition; a half-Japanese transfer student Chizuru, who has started to liven up the group.
君と僕。 / You and I / 너와 나 / 少年同盟 / Tú y yo / Sen ve Ben / Bạn và Tôi.