I only have a few to recommend as of right now because I'm too lazy to dig for more
https://www.mangago.zone/read-manga/a_shoulder_to_cry_on/
https://www.mangago.zone/read-manga/gozou_roppu_no_koi/
https://www.mangago.zone/read-manga/cosmic_boy/
https://www.mangago.zone/read-manga/dancing_with_the_devil/
(Did season 1 couple so dirty..)
https://www.mangago.zone/read-manga/cloud_1/
https://www.mangago.zone/read-manga/fall_for_me_songha/
https://www.mangago.zone/read-manga/kimi_no_yoru_ni_fureru/
https://www.mangago.zone/read-manga/10_years_where_i_loved_you_the_most/
https://www.mangago.zone/read-manga/not_for_the_faint_of_heart/
(From what I remember, 2-4 of these stories have a kinda sad ending to it. Hope ur OK w/ that )
boys love, hate no kouya de vacances wo (first story is a bit angsty but the second one ruined me fr), angel buddy, not for the faint of heart (really had me crying and laughihg), one small step (depiction of ptsd is SOOO good). not all of these have happy endings but theyre all soooo good regardless
PLSSSS RECOMMEND ME ANGSTY BL THAT'LL HAVE MY HEART ACHING
preferably with a happy ending tho hehe