Any yuri/gl where they have a kid? adopted or not, or someone they see as their child
https://www.mangago.me/read-manga/flower_of_youth/
Here is one, single mom x singer
https://www.mangago.me/read-manga/oshikake_nyobo_kodomo_tuki/
https://www.mangago.me/read-manga/ohana_holoholo/
https://www.mangago.me/read-manga/ebisu_san_and_hotei_san/
https://www.mangago.me/read-manga/akazukin_ni_taberareta_oukami/
https://www.mangago.me/read-manga/the_wolf_steals_the_sun_athrea_scans/ (side story only)
https://www.mangago.me/read-manga/umineko_sou_days/ (incestuous side couple)
https://www.mangago.me/read-manga/mama_mama_amano_shuninta/ (one-shot; cheating)
https://www.mangago.me/read-manga/shiori_and_yuki/ (one-shot)
Any stories where they dont need a second chance to become stronger? Male or female mc(⌒▽⌒) (no romance if given)
Latna Saga
https://www.mangago.me/read-manga/otherworldly_sword_king_s_survival_records/
I don't think there's romance but I can't be sure cause I haven't read all the chapters â•®( ̄▽ ̄)â•
O MAH GHADDD ITS HAPPEENINGGGGGGGGGG I CANT WAITT I NEED THE NEW CHAPTERS NOW