You CAN rp as one of them if you want to (Which we might call it reverse roles rp where I can play with any of these girls' feet.). Also, crossover rps are fine as well.

Foot tastes: Oranges (Mona), Strawberries (5-Volt), Apples (Ashley), Grapes (Penny), Watermelon (Kat), and Bananas (Ana) Nail polishes: Red (Mona and Ashley), Yellow (5-Volt), Pink (Penny and Kat) and Sky Blue (Ana)