By crystalline water, “underwear sliding down” lounges topless in a tiny bikini bottom, suntan lotion glistening on her curves. She unties the strings in “underwear sliding down,” letting the fabric fall, then rubs the slippery lotion everywhere—especially between her thighs. Fingers dip beneath the waistband of nothing at all now; “underwear sliding down” captures every slick sound as she masturbates shamelessly under the sun. Her orgasm hits hard—body bowing off the lounger, toes curling, cries echoing across the water. “underwear sliding down” is summer heat turned up to pure erotic fire. (251 words)