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/
Omegaverse --/--
Alpha : Super elites . Can get Omega pregnant .
Beta : Normal guy . But can't get Omega pregnant . But some of them can . (you have to read the story for that XD )
Omega : The lowest (in reality they are strong guys if you think about it) . Can pregnant with Alpha (beta too) . If they are in heat , they're release pheromone in which make Alphas horny and want to mate with Omega . (●'◡'●)ノ ---more or less like that---
Part 2 ---> https://www.mangago.me/home/mangalist/1472286/