?

If I had to pick a dark one I'd definitely say something like 'dark fall' and 'frenzy train' would also be on the dark list as well.

recently started reading dreadful night and it is saur goooood

Maybe one of these?:
https://www.mangago.zone/read-manga/the_beast_must_die/
https://www.mangago.zone/read-manga/adam_no_rokkotsu/
https://www.mangago.zone/read-manga/stalker_s_game/
https://www.mangago.zone/read-manga/hanazono_no_kioku/
https://www.mangago.zone/read-manga/knife_chiba_ryouko/
https://www.mangago.zone/read-manga/my_god/
https://www.mangago.zone/read-manga/murderer_llewellyn_s_enchanting_dinner_invitation/
https://www.mangago.zone/read-manga/castehate/
https://www.mangago.zone/read-manga/love_me_eat_me/
https://www.mangago.zone/read-manga/itsuwari_triangle/
(●'◡'●)ﾉ