Kristen was getting thinner and thinner, until she felt tiny in her big clothes, while Candy was getting fatter and fatter, until she was ridiculously too fat for her own clothes, tearing her tights, making her skirt too small to hide those buttocks and her overflowing belly.
But she doesn't care, wanting to continue to feed on this delicious fat and to have as much of it as possible, absolutely wanting to be able to let off steam later to create more flames to train, finding various new attacks.