"My breasts hurt really bad!" Claire is a 40-year-old runner undergoing hormone therapy. A major side effect is enlarged, swollen breasts with a lot of mammary production. Her only relief is found by playing with them, and increasing the flow. Claire meets a new running partner, a sexually inexperienced college man. The friendship is mutually beneficial, as he helps with her hucow condition while she grants him the experience his libido desperately needs.