FURVERT!

abs anthro balls biceps big_balls biped border darkened_balls darkened_genitalia darkened_penis erection flaccid foreskin genitals gradient_background green_eyes grey_body grey_skin half-erect holly_marie_ogburn horn humanoid_genitalia humanoid_penis long_foreskin male mammal muscular muscular_anthro muscular_male nipples nude partially_retracted_foreskin pecs penis retracted_foreskin rhinoceros simple_background solo standing unretracted_foreskin vein yellow_border