My favorites. http://www.mangago.me/read-manga/bastard_hwang_youngchan/
http://www.mangago.me/read-manga/itou_san_kuraka_sui/
http://www.mangago.me/read-manga/sakura_gari/
http://www.mangago.me/read-manga/saikano/
These messed me up bad! Definitely psychological.
This is my favorite right now:
http://www.mangago.me/read-manga/stigmata_seikon_sousa/
Also, Ogawa Chise has a lot of good psychological one shots
http://www.mangago.me/read-manga/ienai_itami_o_daite_iru/
http://www.mangago.me/read-manga/ibitsu_no_kakera/
Hello can anyone give me the list for best psychological manga which they like or are underrated.