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)
-Child Protagonist
-Family Life
-Family Love
-Babysitter, Nanny
-Childcare
-Adopted Child
See the PART 2:https://www.mangago.me/home/mangalist/2791570/
PART 3:https://www.mangago.me/home/mangalist/3027252/
yeah this is not really a list of isekais its just a list of strong female characters in medieval european-like settings fighting against one-dimensional female role archetypes.
they're kinda ranked but like not really don't trust me im disorganized in this list and in life help
part 2! http://www.mangago.me/home/mangalist/1025991/