Just like "A Rank Party wo Ridatsu Shita Ore wa, Moto Oshiego Tachi to Meikyuu Shinbu wo Mezasu" and "I’m Glad They Kicked Me From The Hero’s Party... But Why’re you following me, Great Saintess?"
So she wants to work, so either he raises the kids or those who might not share their values get to...
Good grief; what's the point of having kids if you're not going to raise them yourselves?