Lana was one missed payment away from losing everything. When the notice arrived that her student funding had vanished, the desperate college junior was ready to do anything to stay in school. Enter Vaca Labs. The flyer promised enough cash to cover her tuition and then some, all for a "simple" study. It seemed like the answer to her prayers. Under the watchful, eye of Marcus, the lead intake officer with a voice like velvet and a clinical gaze that sees right through her, Lana begins the induction. The medicine is potent, the specialized diet is addictive, and the changes are undeniable. Overnight, her athletic frame softens into a lush, over-productive bounty that leaves her aching for relief. As Lana is integrated into the "Pasture," she discovers a world of sensory bliss and primal purpose she never knew existed. She isn't just a research subject anymore, she is a prized possession. Between the rhythmic thrum of the automated milking bays and Marcus's increasingly intimate, protocol-breaking attention, Lana finds that she doesn't just want to survive the trial, she wants to be the lab's greatest success. In the heart of the lab, pleasure has a new price, and Lana is more than willing to pay.