In the first installment of "Waterbabies," a curious individual explores the tantalizing world of belly inflation. The scene opens with a close-up of the enema nozzle, slick with lube, as it penetrates the eager anus. The camera pans out to reveal the subject's taut stomach, which begins to distend as the water flows in. The participant's grunts and moans fill the air, their body tensing and relaxing in rhythm with the filling. The scene is a visual feast for inflation enthusiasts, capturing the subtle shifts in the subject's body as their belly grows round and full.