10 Years Where I Loved You The Most
Happy ending but this legit made me cry:
https://www.mangago.zone/read-manga/my_hyung_s_lover/
Why? Because of the focus on lack of familial support for both seme and uke, and the subsequent effects if that
Not bl or gl but it's sad af, I think you should read it:
https://www.mangago.zone/read-manga/baraou_no_souretsu/
These are all GLs:
https://www.mangago.zone/read-manga/composing_spring_in_this_room_where_cherry_blossoms_bloom/
https://www.mangago.zone/read-manga/kimi_to_tsuzuru_utakata/
https://www.mangago.zone/read-manga/throw_away_the_suit_together/
https://www.mangago.zone/read-manga/kono_koi_wa_hoshi_ni_wa_negawanai/
https://www.mangago.zone/read-manga/this_love_that_won_t_reach/
https://www.mangago.zone/read-manga/a_monster_wants_to_eat_me/
https://www.mangago.zone/read-manga/kimi_ga_shinu_made_koi_wo_shitai/
https://www.mangago.zone/read-manga/oniisama_e/
https://www.mangago.zone/read-manga/the_story_of_a_person_who_grew_a_flower/ (short story; teacher-student relationship)
https://www.mangago.zone/read-manga/shiroi_heya_no_futari/ (one-shot)
Make me cry with some sad bls ╥﹏╥ or gls idc