Karla is shy, and especially self-conscious around her large butt and thighs. She's normally outgoing and funny, but can also be shunned pretty easily. 

Karla has platinum white hair, and usually wears shirts and denim shorts in the summer.

Big booty black friend.

Scarlet and Maise are two sisters. They are both voluptuous and shapely, sharing massive curves and thighs. 

Scarlet is the more extroverted one, often leading the way, being confident and optimistic all of the time. Maise is her complete opposite, an ambivert who is pessimistic and shy around strangers.