Hidden gems

http://www.mangago.zone/read-manga/black_mirror/

These maybe?

http://www.mangago.zone/read-manga/zanuff_the_butcher/

http://www.mangago.zone/read-manga/abnormal_kei_joshi/

http://www.mangago.zone/read-manga/gokuaku_bl/

http://www.mangago.zone/read-manga/choukyou_kakusei_bl/mdx/f464cbebdf1a293e92e7bc36dba0c315_chapter-3/pg-1/

http://www.mangago.zone/read-manga/sumomo_harada/
Anything this author makes is elite and fucked

http://www.mangago.zone/home/mangalist/626481/

an underrated masterpiece
http://www.mangago.zone/read-manga/dead_flowers_dami_zetson/

criminally underrated mangas that deserve more attention:

Tsurebito: http://www.mangago.zone/read-manga/tsurebito/

Himizu: http://www.mangago.zone/read-manga/himizu/

Heads: http://www.mangago.zone/read-manga/heads/

Yuureito: http://www.mangago.zone/read-manga/yuureitou/

Homonculus: http://www.mangago.zone/read-manga/homunculus/

About death (but on WEBTOON): http://www.mangago.zone/read-manga/about_death/