That hand sign the princess is making in the first panel on the last page is Japanese hand slang for 'money', usually with shady connotations. Princess has been watching crime dramas. Or maybe she IS yakuza.
Oh....oh dear. I recognize this art. And more to the point, I recognize the use of ALL CAPS, ALL THE TIME! It's the return of the only mangaka whose works can deafen you if you read them.