Popular ones, but these two come to mind
https://www.mangago.me/read-manga/the_world_s_best_engineer/
https://www.mangago.me/read-manga/mairimashita_iruma_kun/
https://www.mangago.me/read-manga/kagurabachi/ (PEAK FICTION; the ride or die dude in question shows up in the second arc tho, chapters 19-44)
https://www.mangago.me/read-manga/windbreaker/ (MC's got a whole harem of dudebros)
https://www.mangago.me/read-manga/tokyo_aliens/ (kinda imo)
Except kagurabachi, all of them are pretty gay ngl
Every shounen is pretty gay though ngl
Manhwa or manga shounen or seinen where the male mc have a friend where theyll go through hell and beyond for mc but not in a gay way?