I personally like this angst, but they re not quite similar to this manhwa
https://www.mangago.zone/read-manga/life_senjou_no_bokura/
https://www.mangago.zone/read-manga/paradise_view/
https://www.mangago.zone/read-manga/ways_of_parting/
https://www.mangago.zone/read-manga/fair_wind_scroll/
https://www.mangago.zone/read-manga/hitotsu_shikanai_mono/
https://www.mangago.zone/read-manga/palace_of_bardo/
https://www.mangago.zone/read-manga/sex_lies_bussy_wrap_a_hunt_for_the_omega_slayer/
https://www.mangago.zone/read-manga/500_nen_no_itonami/
https://www.mangago.zone/read-manga/until_i_meet_my_husband/
https://www.mangago.zone/read-manga/hitori_to_hitori_no_3650nichi/
https://www.mangago.zone/read-manga/shounen_no_kyoukai/
Rec some more angst like this please. Gimme really looooong list. I want to cryyy soo bad