i've read almost all the yaoi available to me, so for content, I'm planning to read shoune...

asking this cause every time I hit the shounen-ai tab for what's popular or by views it's all a bunch of manhwas

Here mangas these could be old :

https://www.mangago.me/read-manga/close_your_eyes/
https://www.mangago.me/read-manga/higouhou_junai/
https://www.mangago.me/read-manga/out_hidaka_shoko/
https://www.mangago.me/read-manga/1001_nights/
https://www.mangago.me/read-manga/aozora_no_sunda_iro_wa/
https://www.mangago.me/read-manga/new_beginnings/
https://www.mangago.me/read-manga/yozora_no_sumikko_de/

https://www.mangago.me/read-manga/kimi_towa_gokai_kara_hajimarimashitaga/
https://www.mangago.me/read-manga/mr_miss/
https://www.mangago.me/read-manga/kami_sama_no_ekohiiki/
https://www.mangago.me/read-manga/there_s_something_wrong_with_my_popularity/
https://www.mangago.me/read-manga/kimi_no_sumire/
https://www.mangago.me/read-manga/hyacinth/
https://www.mangago.me/read-manga/starting_with_a_lie/
https://www.mangago.me/read-manga/salad_days_tang_liuzang/

https://www.mangago.me/read-manga/green_apple_paradise/ (Manhua)

https://www.mangago.me/read-manga/koimonogatari/ (Manga)

https://www.mangago.me/read-manga/starting_with_a_lie/ (Manhua)

https://www.mangago.me/read-manga/sasaki_to_miyano/ (Manga)

https://www.mangago.me/read-manga/hirano_to_kagiura/ (Manga)

https://www.mangago.me/read-manga/butai_ni_sake/ (Manga)

https://www.mangago.me/read-manga/doukyuusei_nakamura_asumiko/ (Manga)

https://www.mangago.me/read-manga/karasugaoka_don_t_be_shy/ (Manga)