Hibiki Rin's four stories of huge breasts. 1. Breast exercises. Her breasts sway powerfully while jumping rope, using a hula hoop, and using a balance ball. 2. I got turned on when a customer showed me his masturbation... 3. Amazing techniques! A massage parlor specializing in huge breasts. 4. A gynecologist's treatment for frigidity!! A must-see for breast fetishists.