https://www.mangago.me/read-manga/faded_first_love/ You might have already read this one but it’s pretty good if not
Some are angsty and some aren't:
https://www.mangago.me/read-manga/kono_koi_wa_hoshi_ni_wa_negawanai/
https://www.mangago.me/read-manga/sasameki_koto/
https://www.mangago.me/read-manga/unrequited_love_skill/
https://www.mangago.me/read-manga/futsuu_no_koitte_nani/
https://www.mangago.me/read-manga/a_monster_wants_to_eat_me/
https://www.mangago.me/read-manga/aoi_hana/
https://www.mangago.me/read-manga/yuri_na_kataomoi_chan/
https://www.mangago.me/read-manga/omoi_no_kakera/
https://www.mangago.me/read-manga/watashi_sekai_o_kousei_suru_chiri_no_you_na_nani_ka/
https://www.mangago.me/read-manga/eventually_i_will_become_yours/
https://www.mangago.me/read-manga/our_yuri_started_with_me_getting_rejected_in_a_dream/
https://www.mangago.me/read-manga/how_do_i_get_together_with_my_childhood_friend/
https://www.mangago.me/read-manga/my_cute_little_kitten/
https://www.mangago.me/read-manga/adachi_to_shimamura/
https://www.mangago.me/read-manga/kimi_koi_limit/
https://www.mangago.me/read-manga/shinyuu_ni_sukina_hito_ga_dekitarashii/
https://www.mangago.me/read-manga/this_love_that_won_t_reach/ (age gap, MC is in love with her sister-in-law; rushed and ambiguous ending)

I want stories with unrequited love to mutual with bi-awakening and high angst but a HEA.
Preferably high school/college setting and them being friends/classmates but it's ok if it's something else + no triggers like just healthy stuff. And THANK YOU IN ADVANCE (≧∀≦).