You tiptoe through your kitchen at three in the morning, your body trembling and sticky with sweat. You can't remember the strange dreams that plagued you minutes ago, but you feel a strong compulsion urging you forward.

'Drink the milk.'

You open the fridge and grab the whole milk gallon, twisting the cap off as it falls to the ground with a slight clatter. Without wasting time, you bring it to your lips and suck, tilting your head forty-five degrees as the creamy fluid slides down your throat. A blissful warmth consumes your body as the heavy, fatty fluid coats your tastebuds. Your chest and nethers tingle as your hips pop outward. 

"Mmm---oooh!" You moan while your voice climbs a few octaves. Sprouts of white fur form on your wrists and ankles, slowly creeping upward. All you can do is continue sucking the milk down, allowing the euphoric buttery haze to entirely consume you. You want the milk; you must drink the milk. You barely notice as your chest balloons outward, your new tits ballooning to C cup and above.

Your testicles rise into your body while your scrotum pulls against your pelvis, becoming taut. On some level, you understand you're turning into a female cow, but you're unable to care. As the milk gallon empties, you drop it to the ground and loudly moan.  

As your spine and hips contort into a feminine shape, your vagina and urethra open amidst your new labia folds. Your womb expands deep within you like embers growing into a mighty bonfire. "So-- so good..." You purr in delight as your hands and feet tingle. You fall to your hand and kees, watching as your fingers slowly poll together. "W-- wait!" You cry hesitantly, realizing the gravity of your situation.

Gasping in shock, you feel your feet following suit as your toes fuse and darken. Your cock has faded into a small, flesh nub nestled within your damp, feminine sex.

As your tail and horns grow, you look back and watch with a stupefied expression as your tail flicks. Despite your transformation continuing onward, you can think only one thing.

'There's another gallon in the fridge...'