animated video voice acted penis erection clothing nude nipples ass footwear looking at viewer belly bulge looking pleasured presenting gloves sweat resident evil digital media (artwork) humanoid genitals tagme biceps bodily fluids sweatdrop big muscles muscular male pecs sound effects throbbing big belly flexing size difference spreading genital fluids mask big penis balls big balls clothed moan 3d (artwork) muscular hi res hyper tight clothing growth huge balls hyper balls throbbing penis expansion hyper genitalia muscle growth gas mask injection musk growing expressions flared penis laboratory sweaty butt musclegut nighdruth musk clouds musky balls musky cock groaning rumbling stomach scientific instrument sounds pulsing churning injector tearing clothing hunk (resident evil) chemicals flaring flexing bicep flexing muscles churn pulsing balls flexing both biceps bodily noises growing bulge bodily groan groaning balls different sound effects vocalization gas mask face growing erection injecting