Completed yaoi manhwa

Here what I've read so far. Most of them are completed (both yaoi and Shounen-ai so you can see the tags for the yaoi ones)
https://www.mangago.me/home/mangalist/486368/
http://www.mangago.me/home/mangalist/629532/
But you can also use this
https://www.mangago.me/genre/Yaoi,Webtoons/?f=1&o=0&sortby=update_date&e=
Hope I helped you a little bit

https://www.mangago.me/read-manga/warrior_s_afterlife/
https://www.mangago.me/read-manga/the_boss_is_too_much/
https://www.mangago.me/read-manga/rain_again/
https://www.mangago.me/read-manga/boku_no_omawarisan/
https://www.mangago.me/read-manga/i_got_married_with_a_goblin/
https://www.mangago.me/read-manga/coexistence/
https://www.mangago.me/read-manga/draig_mid_knight/
https://www.mangago.me/read-manga/anti_p_t/ (it's not marked as completed but the story has come to its end, now it's just side stories being uploaded)
https://www.mangago.me/read-manga/window_beyond_window/
https://www.mangago.me/read-manga/room_to_room/
https://www.mangago.me/read-manga/wagging_the_tail/
https://www.mangago.me/read-manga/my_purrfect_boss/
https://www.mangago.me/read-manga/why_is_it_you/
https://www.mangago.me/read-manga/sign_language/
https://www.mangago.me/read-manga/the_good_teacher/

Voice series - https://www.mangago.me/r/l_search/?name=Sakuraba%20chidori

Thanks so much!