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…

Seihantai na Kimi to Boku - MangaDex

DISC] Boku Dake no Kimi - Oneshot by Yakiniku Teishoku : r/manga

Boku no Hero Academia - Kimi to Hajimete (Doujinshi) - MangaDex

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

Heikou Sekai no Kimi Kimi Boku Boku - MangaDex

Kimi to Boku. - MangaDex

Konya, Kimi wa Boku no Mono ni Naru - MangaDex

Kimi to Boku no Ashiato ~Time Travel Kasuga Kenkyuusho~ - MangaDex

Kimi to Eureka - MangaDex

Kimi to Boku. - MangaDex

Hinemosu no Tari Kimi to Boku - MangaDex