FURVERT!

absurd_res anthro balls balls_expansion big_balls big_penis biped canid canine canis erection expansion genital_expansion genitals growth hi_res huge_balls huge_penis humanoid_genitalia humanoid_penis hyper hyper_balls hyper_genitalia hyper_penis male mammal muscle_growth muscular muscular_anthro muscular_male nude penis penis_expansion shelterinen simple_background solo thick_penis werner wolf