horror and/or psychological recommendations? no romance/bl. gore is a plus, not necessary.

intelligent and calculative protagonists are also a big plus~ really like black-bellied protagonists too~

http://www.mangago.zone/read-manga/killing_morph/
http://www.mangago.zone/read-manga/brutal_satsujin_kansatsukan_no_kokuhaku/
http://www.mangago.zone/read-manga/transjitter/
http://www.mangago.zone/read-manga/bradherley_no_basha/
http://www.mangago.zone/read-manga/kami_no_kodomo/

Heartless

Painter of the night ofc

Bastard is a Really good one!

Agree

Black mirror