Kimi to Boku. - MangaDex

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. This manga is really just about their daily lives, which aren't particularly passionate or exciting. A tranquil and sometimes comedic story of youthful friendship…

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Anime/manga — Kimi to Boku Vol. 16 Omake part 2

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Boku to Kimi to de Niji ni Naru - MangaDex

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