List 2: https://www.mangago.me/home/mangalist/3260294/
Okujima Hiromasa, Takahashi Hidebu, Est Em, Okadaya Tetuzoh, Asada Nemui, Totempole, Kajimoto Reika, Mentaiko (geicomi dj mangaka influenced by famous shounen/seinen stories), Iwasawa Midori, KOIKE Sadaji, ARAI Niboshiko, etc
Also: https://www.reddit.com/r/Animesuggest/comments/17vufpd/are_there_any_shounen_manga_with_bl/?rdt=44199&onetap_auto=true
A very good list from RoseMary: https://www.mangago.me/home/mangalist/226060/?filt
⁃ sexy ukes
⁃ dominant/strong ukes
⁃ taller ukes
⁃ buff/muscular ukes
⁃ big dick
⁃ tight hole defiled
⁃ peachy/juicy butt
⁃ younger ukes
⁃ student a/o teacher ukes
⁃ childhood/school/college friends
⁃ rapist/asshole semes
⁃ submissive ukes (w/wo BDSM)
⁃ jock/fitness ukes
⁃ sukes/sekes (versatiles)
⁃ cross-dresser ukes
⁃ manly ukes
⁃ younger/Shota semes
⁃ friends to lovers
⁃ coworkers to lovers