Mary took off her clothes and noticed that her breasts and udder were producing.....milk? Odd, but since she was a cow, it kind of made sense. Both of them were stiff and tight, but squishy. Mary could feel the liquid gurgling inside as they continued to produce more. She was getting a bit uncomfortable, so she tried to do something about it. She rubbed her udder and breasts, thinking about what she should do, but it only made things worse once she realized how aroused she became once doing so. This was bad.
She looked back to the box of vials and realized maybe that there could be something there to help her with the growing pressure. She waddled over to the box, udder squeezed between her legs, and grabbed the box. When she did, she quickly huddled back in order not to cause anymore pressure (Or pleasure). She sat back down and placed the box on top of her stomach. She quickly started looking at her options on how exactly she should do to help with the growing pains.
Her breasts started to ache, so Mary had to put her hand up to one and to try and massage it. At that point, even the slight touches or poking would shoot milk out of her breasts, so when she tried massaging, milk squirted out causing her to moan deeply, more like the moo of a cow. She continued searching until...