Yume Mitsuki, a busty dental hygienist, accidentally brushes against her patient's sensitive areas while cleaning his teeth. Her massive, jiggling breasts graze his face, sending shockwaves of desire through him. She notices his growing erection and, flustered, tries to maintain professionalism. But as she leans over to check his bite, her cleavage becomes the patient's focal point, leading to a steamy, unexpected encounter.