"Sure bro." She began, thinking for a second, "but on one condition. We get to pick outfits to wear for each other".
"Ok sure!" You respond, running as fast as you can to get clothes from your closet. You decide to grab the most generic clothes you could get.
You return to your sister's room, and you two exchange clothes.
She tells you to get out, and you run back to your room, to try to fit into the garments. You kind of just slide everything on, hoping that the wave will fix things for you. You wonder how your sister is doing.