 And in case you didn't have a fantasy-filled childhood, a changeling is something the fairies leave in the crib in place of your own child, whom they have stolen. Our reader is Jin Ha, who appeared in Hamilton and whose television credits include series Love Life and Pachinko. And he decided to fully embrace Lavery's fantasy, performing in a floral headpiece and wings. Here he is with On the Sudden Increase in Changeling Stock, a report.