Unmm …… any horror manga??? Id also like if it was a romance as well, but I don’t mi...

leviathan/deep water

Pumpkin Night

https://www.mangago.zone/read-manga/brutal_satsujin_kansatsukan_no_kokuhaku/
https://www.mangago.zone/read-manga/sura_s_lover/
https://www.mangago.zone/read-manga/brutal_satsujin_kansatsukan_no_kokuhaku/
https://www.mangago.zone/read-manga/the_ichinose_family_s_deadly_sins/
https://www.mangago.zone/read-manga/hikaru_ga_shinda_natsu/

https://www.mangago.zone/read-manga/i_want_to_hold_aono_kun_so_badly_i_could_die/

(this one has horror and romance, tho idk if it is thaat scary (it scared me a lot, specially the psychological factor) A MUST READ

Here are some some oneshots I love Enjoy! https://www.mangago.zone/read-manga/this_is_not_my_child/
https://www.mangago.zone/read-manga/warui_yume_no_sono_saki/
https://www.mangago.zone/read-manga/layers_of_fear/
https://www.mangago.zone/read-manga/smile_it_s_just_a_dream/