He’s most likely talking about the girl tilting her head towards me and her older brother.
I don’t know how much info he’s got, but he’s clearly cherry picking here.
And for Witch to help a Demi-Human is more unlikely than a girl falling from the sky.
“And you sell medicine to rich nobles without doing anything for the poor!” (Itsuki)
“I’m no philanthropist. If you’re running a business, you can’t just give things away to those without money. It’s common sense to take something as compensation.” (Naofumi)