What i think ,,, at first author just drew her hair pink because she previously pink hair but then forgot that mc is not married so she is the only pink hair(no heir). So author let it slide. Make it possible to have pink hair even though parents are not.
What i think ,,, at first author just drew her hair pink because she previously pink hair but then forgot that mc is not married so she is the only pink hair(no heir). So author let it slide. Make it possible to have pink hair even though parents are not.