Hyper big belly

1girl,solo,side view OR front view,[hyper belly inflation,massive spherical belly,perfect round,no deformation,taut skin,shiny,deep navel,huge buttocks,thick thighs],[lying face down on belly,chest resting on top,legs dangling OR kneeling,sitting on knees,heavy belly resting on floor,hands cradling belly],[blushing,wide eyes,surprised,shy smile,embarrassed,pleased expression],simple background.1girl, female, belly inflation, helium inflation, huge belly, round belly, inflating hose in butt,big breasts