Masculine (but not necessarily butch) x feminine GLs:
https://www.mangago.me/read-manga/handsome_girl_and_sheltered_girl/
https://www.mangago.me/read-manga/asagao_to_kase_san/ (SEQUEL: https://www.mangago.me/read-manga/yamada_to_kase_san/)
https://www.mangago.me/read-manga/let_loose/
https://www.mangago.me/read-manga/big_love_from_ultra_deep_space/
https://www.mangago.me/read-manga/shinyuu_ni_sukina_hito_ga_dekitarashii/
https://www.mangago.me/read-manga/drown_in_the_angel_s_swamp/
https://www.mangago.me/read-manga/living_will/
https://www.mangago.me/read-manga/the_day_of_the_shooting_star/
https://www.mangago.me/read-manga/love_gives_me_superpowers/
https://www.mangago.me/read-manga/watashi_to_kanojo_no_kawaii_koi_no_hajime_kata/
https://www.mangago.me/read-manga/the_star_next_door/
https://www.mangago.me/read-manga/surrender_to_love/
https://www.mangago.me/read-manga/miss_forensics/
https://www.mangago.me/read-manga/sukeban_to_tenkousei_ga_kudaranai_asobi_o_suru_dake_no_hanashi/
https://www.mangago.me/read-manga/my_angel_childhood_friend_was_a_gal_when_we_met_again/
https://www.mangago.me/read-manga/the_song_that_transcends_this_world/
https://www.mangago.me/read-manga/cheerful_amnesia/
https://www.mangago.me/read-manga/sora_haena/ (main and 2nd side couple)
https://www.mangago.me/read-manga/usotsuki_hanayome_to_dousei_kekkon_ron/ (cheating)
https://www.mangago.me/read-manga/futsuu_no_koitte_nani/ (love triangle - A and B love C, internalized homophobia)
https://www.mangago.me/read-manga/sabori_nara_hokenshitsu_de_douzo/ (age gap, school nurse-student relationship)
https://www.mangago.me/read-manga/dark_mermaid/ (bullying, sexual harassment and assault, attempted sexual assault, blackmail)
https://www.mangago.me/read-manga/marie_and_alex/ (master-servant relationship, BDSM)
https://www.mangago.me/read-manga/kill_switch/ (love triangle)
https://www.mangago.me/read-manga/umineko_sou_days/ (incestuous side couple)
https://www.mangago.me/read-manga/love_thy_neighbor_2/ (toxic relationship, adultery)
Butch x femme GLs:
https://www.mangago.me/read-manga/my_wife_is_a_gangster_1/
https://www.mangago.me/read-manga/take_and_take/
https://www.mangago.me/read-manga/even_a_hopeless_romantic_wants_to_be_loved/
https://www.mangago.me/read-manga/my_princess_charming/
https://www.mangago.me/read-manga/tsukuritai_onna_to_tabetai_onna/
https://www.mangago.me/read-manga/shwd_pseudo/
https://www.mangago.me/read-manga/himitsu_no_hanazono/
https://www.mangago.me/read-manga/eat_u_up/
https://www.mangago.me/read-manga/too_blue_to_call_love/
https://www.mangago.me/read-manga/the_guy_she_was_interested_in_wasn_t_a_guy_at_all/
https://www.mangago.me/read-manga/aoi_kun_9792_is_so_handsome_it_hurts/
https://www.mangago.me/read-manga/liberta/
https://www.mangago.me/read-manga/please_pick_my_love_too/
https://www.mangago.me/read-manga/lemon_pie_night/
https://www.mangago.me/read-manga/make_it_real/
https://www.mangago.me/read-manga/tsuki_to_suppin/
https://www.mangago.me/read-manga/a_handsome_tanned_girlfriend_who_s_easy_to_please/
https://www.mangago.me/read-manga/pathetic_sunbae/
https://www.mangago.me/read-manga/the_princess_is_now_the_duke/
https://www.mangago.me/read-manga/my_first_love_to_you/
https://www.mangago.me/read-manga/let_loose/
https://www.mangago.me/read-manga/even_a_hopeless_romantic_wants_to_be_loved/
https://www.mangago.me/read-manga/asagiiro_no_saudade/ (attempted suicide)
https://www.mangago.me/read-manga/your_false_embrace/ (adultery, depictions of miscarriage)
https://www.mangago.me/read-manga/all_s_nice/ (dub-con)
https://www.mangago.me/read-manga/for_garbage/ (adultery)
https://www.mangago.me/read-manga/sora_haena/ (first side couples is butch x femme; first side couple features an age gap and former teacher-student relationship)
https://www.mangago.me/read-manga/the_villainess_and_the_woman_who_would_do_anything_for_the_sake_of_love/ (short story)
https://www.mangago.me/read-manga/hottie_s_heel_uncensored/ (one-shot)
https://www.mangago.me/read-manga/you_as_you_are/ (one-shot)
Any masc x fem? Or cool x hyper feminine type of dynamics