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/
3rd list: https://www.mangago.me/home/mangalist/3746699/
(IF 1ST LIST IS FULL, I'LL MOVE OLDER ONES TO MY LIST 2&3)
(Mostly female lead perspective/ POV)
List continued:
"Threesome+, Gangbang, Polyandry, Polygamy"
#2 https://www.mangago.me/home/mangalist/3824860/ (new!)
Similar lists:
"bdsm / S & M, josei / toys"
#1 https://www.mangago.me/home/mangalist/3253892/ (200/200 mangas)
#2 https://www.mangago.me/home/mangalist/3299223/ (200/200 mangas)
#3 https://www.mangago.me/home/mangalist/3498436/ (200/200 mangas)
#4 https://www.mangago.me/home/mangalist/3766662/ (new!)