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5:4 alphys ambiguous_penetration anthro anthro_penetrated areola belly belly_inflation big_belly big_breasts big_butt bodily_fluids bottomless breasts buckteeth butt button_(fastener)clothed clothing coat eyes_mostly_closed eyewear female female_penetrated glasses hand_on_belly hose hose_inflation huge_belly huge_breasts huge_butt hyper hyper_belly hyper_breasts hyper_inflation immobile inflation lab_coat lactating lizard looking_pleasured lying lying_on_self manzilla mostly_nude narrowed_eyes nipple_slip nipples non-mammal_breasts non-mammal_nipples on_front open_mouth partially_clothed penetration reptile resting_on_belly scales scalie short_tail simple_background solo stain stained_clothing straining_buttons tail teeth thick_tail three-quarter_view tight_clothing tight_coat tight_topwear tongue tongue_out topwear undertale undertale_(series)yellow_body yellow_scales