I can read these mangas many times! I rate them >9.5/10 based on my own preferences, so there will be lots of non-mainstream BL
Genres: NO PWP, no doujinshi
Length: <100 chapters or 3 vols
Search by tags: http://www.mangago.me/home/people/12706/manga/1/
If you like this list, please click "RECOMMEND". Thank you XD
2nd list: http://www.mangago.me/home/mangalist/655038/
(IF 1ST LIST IS FULL, I'LL MOVE OLDER ONES TO MY 2ND LIST)
Long series: http://www.mangago.me/home/mangalist/645867/
a list of manga that makes you think "this is some messed up shit!"
rated M for Masochistic
'cause that's the kind of mind you'll need to get through some of these stories.
things you'll see on this list:
+violence & physical abuse
+s&m sex scenes
+abusive relationships
+rape, molestation, sexual abuse
+incest
+death & suicide
+other disturbing subjects
suggestions welcome in the comments~