S1·E15 The Contrary Macaroon Pandemonium!?

Chocolat decide to purchase Hair-Care Macarons through the magic mail-order system. She shares them with Vanilla, but they find themselves within each other's body! Chocolat had written the wrong code and received a box of Contrary Macarons instead! Their class notices their personalities now are very different, and they get mad at each other. After apologizing and hugging each other they switch back.