I've seen this artist's work previously in the Body Expansion forum. While there is body inflation, the BE seemed to be the more prominent feature. The artist has a very cute, cartoonish style. There's also supposed to be two more pages coming in the near future to complete the sequence.
http://www.furaffinity.net/view/125863/
http://www.furaffinity.net/view/125867/
http://www.furaffinity.net/view/125869/