Pop Harukaze (春風ぽっぷ Harukaze Poppu) is Doremi's little sister and the fourth witch apprentice to join the group. She initially had a bitter relationship with Doremi stemming from years of sibling jealousy from both parties.
I know there's a few of these but none of them seemed particularly well-organized, so I'm taking a crack at it. Costumes these characters canonically wore is strongly preferred but ig I can't really stop you if you add headcanons.
