Looking around nervously, she removed her string bikini. The tiny cove rarely had sunbathers, but she trembled with anticipation nonetheless. Straddling the tank, she lowered herself onto the nozzle, then firmly twisted the valve. She felt the tickle of enchanted helium entering her most private threshold, making room for itself inside her body. She arched her back and pushed into the nozzle, letting her hips wiggle back and forth a little. A sensation of airy lightness grew in her rounded ass, slowly expanding upwards through her belly and towards her chest.
