sex drop kinda but it's quite tame
I could only think of one
https://www.mangago.zone/read-manga/sadistic_beauty_side_story/
https://www.mangago.zone/read-manga/ang_ang/
https://www.mangago.zone/read-manga/my_partner_s_tastes_and_fetishes/
https://www.mangago.zone/read-manga/aporia/
https://www.mangago.zone/read-manga/sakurada_senpai_kaizou_keikaku/
https://www.mangago.zone/read-manga/zettai_fukujuu_meirei/
https://www.mangago.zone/read-manga/ai_subeki_sadist/
https://www.mangago.zone/read-manga/sm_gokko/
https://www.mangago.zone/read-manga/simplified_pervert_romance/ (this one is more soft s&m)
https://www.mangago.zone/read-manga/vanilla_taste/
https://www.mangago.zone/read-manga/the_boss_in_the_bedroom/
https://www.mangago.zone/read-manga/our_future_cheok_kong/
https://www.mangago.zone/read-manga/yoru_wa_tomodachi/
https://www.mangago.zone/read-manga/oresama_dom_wa_nade_raretai/
https://www.mangago.zone/read-manga/hitomebore_shita_hito_ga_do_m_datta_mono_de/
https://www.mangago.zone/read-manga/osuwari_yoku_dekimashita/
https://www.mangago.zone/read-manga/arthur_1/
https://www.mangago.zone/read-manga/alien_in_my_closet/ (this one is rlly nice tbh)
https://www.mangago.zone/read-manga/love_cycling_1/
https://www.mangago.zone/read-manga/chou_to_hana_no_kankeisei/
https://www.mangago.zone/read-manga/the_double_life_of_the_demon_king/
https://www.mangago.zone/read-manga/koisuru_sadistic_service/
https://www.mangago.zone/read-manga/the_color_of_the_night/
https://www.mangago.zone/read-manga/saturday_s_master/
Any bdsm yuri/bl recommendations? And not like one chapter that happens to have bdsm but it actually being part of the plot :’)