Def avoid manhwa (Korean comics)
Some stuff I suggest:
-Blue Flag
|It's THEE coming of age queer manga
https://www.mangago.me/read-manga/ao_no_flag/
-Mom I'm gay
https://www.mangago.me/read-manga/mom_i_m_gay/
-New York New York
|I even have physical copies
https://www.mangago.me/read-manga/new_york_new_york/
-A gay man who turned into a monst......
