Recommend pls!!

Check out brutal

Brutal: Satsujin Kansatsukan no Kokuhaku

Juujika no Rokunin manga

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

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

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

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

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