can someone recommend some dark twisted mangas, something gorey and psychologically twiste...

http://www.mangago.me/read-manga/hogu_hagyeongsu/?av=2

Yaoi? Harada's work are twisted, Warehouse
Any genre? Oyasumi punpun, Aku no hana, Gyo

http://www.mangago.me/read-manga/goodbye_until_time_to_meet_you_again/

A group of different stories but chapter 4 is one that'll never leave my mind
http://www.mangago.me/read-manga/ore_higaisha/

any genre is good :) thank u