hiii these are some of my favs that i think match what you want
https://www.mangago.zone/read-manga/to_dear_my_sorrow/
https://www.mangago.zone/read-manga/toumei_na_ai_no_utsuwa/
https://www.mangago.zone/read-manga/bakemono_no_hanayome/
https://www.mangago.zone/read-manga/dear_gene/
https://www.mangago.zone/read-manga/moon_and_sun_abe_akane/
https://www.mangago.zone/read-manga/hitsuji_no_kawa_wo_kita_kemono/
https://www.mangago.zone/read-manga/a_first_love_that_costs_860_000_yen/
https://www.mangago.zone/read-manga/kabukichou_bad_trip/
https://www.mangago.zone/read-manga/flaver/
https://www.mangago.zone/read-manga/afterglow/
https://www.mangago.zone/read-manga/happy_of_the_end/
(not a bl or shounen ai but should be tbh) https://www.mangago.zone/read-manga/one_small_step/
(same with this one) https://www.mangago.zone/read-manga/tokyo_aliens/
https://www.mangago.zone/read-manga/ignat_no_hanayome/
https://www.mangago.zone/read-manga/the_man_at_night/
happy reading!!
Can someone give me a good manhwa rec.... Like the one that gives you butterflies and keeps you up all night