Steins;Gate - Comic Fragments: Heiko Sekai no Synopsis - MangaDex

Araki Fuu - MangaDex

Mashin Eiichirou - MangaDex

Steins;Gate - Eigou Kaiki no Pandora - MangaDex

Found this cute fanmade Steins Gate manga on pixiv. I translated it from an app, so it's not all good, but is enough to convey what they're actually saying. Link to manga

Kaitei Shuujin - MangaDex

5Pb. - MangaDex

Steins;Gate! - MangaDex

Mashin Eiichirou - MangaDex

Araki Fuu - MangaDex

Hoshikuzu no Duplet, Steins;Gate Wiki

Sekaisen Hendouritsu X. 091015%, Steins;Gate Wiki