borasaké

For general horror:
https://www.mangago.me/read-manga/shokuryou_jinrui/ (and anything from this author)
https://www.mangago.me/read-manga/fuan_no_tane/ (this one is an anthology manga)

BL horror:
https://www.mangago.me/read-manga/the_sound_of_bone_and_skin_separating_morse_fellow_s_uploads/
https://www.mangago.me/read-manga/black_mirror/

Hope you like them

https://www.mangago.me/read-manga/44th_period_survival_class/ (a must rn tbh)
https://www.mangago.me/read-manga/shikabane_kaigo/
https://www.mangago.me/read-manga/hen_na_ie/

Webtoons/manhwas/huas:

https://www.mangago.me/read-manga/ghost_teller/
https://www.mangago.me/read-manga/look_alike_daughter/
https://www.mangago.me/read-manga/american_ghost_jack/
https://www.mangago.me/read-manga/haunted_electronics_shop/
https://www.mangago.me/read-manga/sweet_home/
https://www.mangago.me/read-manga/my_girlfriend/
https://www.mangago.me/read-manga/survive_romance/
https://www.mangago.me/read-manga/a_ghostly_song/


Mangas:

https://www.mangago.me/read-manga/ryota_killed_his_brother/
https://www.mangago.me/read-manga/this_is_not_my_child/
https://www.mangago.me/read-manga/pumpkin_night/

Here you go darling! Be sure to click on the blue + to see everything, hope it helps and you enjoy!

Don't if that's exactly what you're looking for but here's some recs:

https://www.mangago.me/read-manga/36_hours_until_the_villainess_s_downfall/ (it's a one shot)

https://www.mangago.me/read-manga/in_her_fifth_life_the_villainess_lives_with_the_evil_dragon_the_evil_dragon_of_ruin_wants_to_spoil_his_bride/ ( kind of dark)

https://www.mangago.me/read-manga/the_villainess_is_done_trying/

https://www.mangago.me/read-manga/the_tragedy_of_a_villainess/ ( rushed ending)

https://www.mangago.me/read-manga/choudokyuu_cheat_akuyaku_reijou_no_karei_naru_fukushuutan/

https://www.mangago.me/read-manga/with_one_day_left_i_ll_break_all_the_destruction_flags_serves_you_right_rta_24_hour_record/

https://www.mangago.me/read-manga/konyaku_haki_no_akui_wa_shoukan_kara_okaeshi_shimasu/

https://www.mangago.me/read-manga/akuyaku_reij_tachi_wa_yuruganai/

https://www.mangago.me/read-manga/the_rubelia_kingdom_s_tale_i_ended_up_cleaning_my_younger_cousin_s_mess/

https://www.mangago.me/read-manga/the_one_within_the_villainess/