Honestly this is probably one of the wilder concept mangas but the characters quirks and growth is just so funny and engaging.
Raws: https://pocket.shonenmagazine.com/episode/3269754496561156483
Raws at chapter 21, 26 has me shook. Nvm all the chapters after 26 are wild
Albert thinks he’s the ml but he’s just the uncle and free babysitter that hangs around the main couple.
I Became the Mother of the Strongest Demon Lord's 10 Children in Another World.