If I remember correctly in the Genre of ' Murderous lewellyn candlelit dinner ' it says psychological. If you are the type for a male stalker stalking another male then I would say this would be good enough.
For horror
http://www.mangago.zone/read-manga/hideout/
http://www.mangago.zone/read-manga/fuan_no_tane/
http://www.mangago.zone/read-manga/kouishou_radio/
http://www.mangago.zone/read-manga/gyo/
http://www.mangago.zone/read-manga/phobia/
http://www.mangago.zone/read-manga/kami_no_hidarite_akuma_no_migite/
http://www.mangago.zone/read-manga/pigpen/
http://www.mangago.zone/read-manga/timing/
http://www.mangago.zone/read-manga/preta/
http://www.mangago.zone/read-manga/the_surviving/
http://www.mangago.zone/read-manga/ikki/
http://www.mangago.zone/read-manga/killing_morph/
http://www.mangago.zone/read-manga/shen_ze/
http://www.mangago.zone/read-manga/300_beats_per_second/
http://www.mangago.zone/read-manga/pet_shop_of_horrors/
http://www.mangago.zone/read-manga/noah_of_the_blood_sea/
http://www.mangago.zone/read-manga/diner/
http://www.mangago.zone/read-manga/shiga_hime/
http://www.mangago.zone/read-manga/yamiyo_ni_asobuna_kodomo_tachi/
http://www.mangago.zone/read-manga/you_will_hear_the_voice_of_the_dead/
http://www.mangago.zone/read-manga/franken_fran/
http://www.mangago.zone/read-manga/angel_of_slaughter/?K4QF
http://www.mangago.zone/read-manga/wakusei_closet/
http://www.mangago.zone/read-manga/suicide_girl/
http://www.mangago.zone/read-manga/dai_dark/
Psych stuffs
http://www.mangago.zone/read-manga/efforts_never_betray/
http://www.mangago.zone/read-manga/mystery_to_iunakare/
http://www.mangago.zone/read-manga/mizutamari_ni_ukabu_shima/
http://www.mangago.zone/read-manga/monster/
http://www.mangago.zone/read-manga/homunculus/
http://www.mangago.zone/read-manga/23_wards_tokyo_majo/
http://www.mangago.zone/read-manga/shin_ai_naru_boku_e_satsui_wo_komete/
http://www.mangago.zone/read-manga/blue_phobia/
http://www.mangago.zone/read-manga/hell_dogs/
http://www.mangago.zone/read-manga/juujika_no_rokunin/
http://www.mangago.zone/read-manga/ouroboros/
http://www.mangago.zone/read-manga/change_the_world_kanzaki_yuuya/
http://www.mangago.zone/read-manga/liber/
http://www.mangago.zone/read-manga/yuureitou/
http://www.mangago.zone/read-manga/boku_dake_ga_inai_machi/
http://www.mangago.zone/read-manga/the_planet_walks_alone/
http://www.mangago.zone/read-manga/zankyou/
http://www.mangago.zone/read-manga/shinrei_tantei_yakumo/
More stuffs here
http://www.mangago.zone/home/mangalist/771957/
what about both
http://www.mangago.zone/home/mangalist/591398/
psychological/horror manga or yaoi pls