The first BEST of the "Milk Line Development Salon" series, featuring voluptuous busty beauties, is finally here! The sexual sensitivity of five busty wives who have had their milk lines, an unknown erogenous zone on their chest, developed skyrockets! Just touching their breasts causes them to repeatedly climax so intensely that they lose consciousness! Busty wives visit a beauty salon to get their husbands' attention, and receive a mammary gland development massage from a skilled therapist, who makes them arch their backs and tremble as they break down in a massive orgasm!