On one side I understand what you mean.wow this might be a first, but i think mc actually did right by not fucking the girl throwing herself at him.
That happens after you have ensured the kid's health and safety. So, something to do now, going forward.I mean you can't just take someone else's kid in like that even if you have a good reason to do it, Japanese equivalent of CPS need to be notified of what's going on
At this rate by the time they go back to Shizuku she will already be months pregnant.