Kiyozuka Nana's three explosive breast stories arrive! First up: breast exercise. Enjoy her massive breasts bouncing wildly as she uses jump ropes, hula hoops, and balance balls. Second: a gynecologist's treatment for sexual frigidity. Nana visits the clinic, troubled by her lack of sensation—can grinding really cure frigidity? We find out. Third: a massage parlor specializing in huge breasts. She comes in complaining of stiff shoulders, but somehow ends up stripping her underwear, launching into a full erotic massage. Soon she's melting under the pleasure of vaginal massage.