The instant reply to taking responsibility should be enough to show that he's committed but alas it will take a few more moments until he wins her over completely. Thanks for the translations.
Of course the seed of a young bull like him would definitively knock up a milf.
Also it seems stepmom is angry another milf is trying to take away her stepson...
This shit is so fucking peak. Peak peak peak. If the first few chapters are like this, the entire next arcs are going to be insane. I’m getting the same vibes as that one manga where he goes after his party members’ mothers cause the dads are all jackasses.