Llewella has straight-A grades, a lead in the school play, a prefect badge, a successful blog and a comfortable life. Despite this, she feels like a brown, chubby square peg at a school full of thin, white girls. She's never had a best friend. Could the new student at sixth form - glamorous, streetwise Aretha - be the one? Llewella and Aretha get tight, quick. Before long, Llewella is following…