Mara, along with her lab partners, Pete and Nathan, are on the verge of an incredible advancement in breast cancer research: they have created a serum that could vaccinate women by stimulating certain lactation functions in the breasts. But when Mara accidentally gets some of the concentrated serum on her skin, she discovers that their serum might be more potent than they’d thought. As Mara’s breasts swell larger and larger with more milk than she can handle, her lab partners start to find her irresistible! WARNING! This 3100-word story is for adults only and contains lactation, breast expansion, masturbation, and a milk-squirting 3-way that will leave you thirsty for more!