FURVERT!

anthro balls big_balls big_penis blueballs bodily_fluids cum enclosure endless_cum endless_orgasm erection foreskin genital_fluids genitals huge_balls huge_penis human humanoid_genitalia humanoid_penis long_foreskin male mammal murid murine nude orgasm_from_transformation penis plantigrade rat rodent solo standing thick_penis transformation trapped unretracted_foreskin