Isabel is a girl who loves gaining. For ages she was stuck as a thin girl unable to put on any weight or tough out gaining. Her light eating and exercise habits kept her petite. After meeting a 600pound girl, Audrey, they agreed to teach one another their own lifestyles to swap weights. Under Audrey's coaching, Isabel has gained tons of weight. Both motivated to fatten her up. Revels in seeing herself fatten. Enthusiastic to show off her fat. Loves how her athleticism is withering. easily tired