Cow Girl Fluttershy: Lactation Cookies Part 3 - Massive Breast Expansion (Patreon)

Part 1 (Spindles)Part 2 (PurpleYoshiDraws)The cookies that spawned the seriesShe's trying her hardest to be the best cow she can be~ Every little bite gets her one wobbling step closer to her dream. 

If she overdoes it, though, those pasties don't stand a chance of remaining snug on her nipples~  

"Mooooo!"