Original Description:
Once again the hydra quickly wraps their balloon up in their coils and plants their squeaky muzzle against his. Their own belly stretching outwards before starting to blooooow him up more and more. One of the heads deciding to wriggle his way around to their blimp’s flanks to help huff him up as he buries his head in the balloon’s rump, the other cradling him and relaxing his head just to feel him grow~