And since he now really believes in her, she gets the full power upgrade, magical girl (Santa) transformation.
Her small heart grows three sizes. Or, her breasts do anyway.
Pedro becomes a full reindeer, with a sleigh full of presents, and Mai whisks Santa off to deliver them.
They deliver presents to sleeping children, granting them their wishes. Well mostly.
This girl wants to become a doctor to save lives, but her orphanage is too far away from schools. Luckily, volunteers have come to educate these orphans. Look, there they are.