FURVERT!

4_toes 5:3 5_fingers abs animal_genitalia anthro areola biceps biped black_claws blue_eyes body_size_growth brown_body brown_fur canid canine canis claws digital_media_(artwork)digitigrade feet fingers fur genitals growth hi_res hyper john_(justagoodboy)justagoodboy male mammal muscle_growth muscular muscular_anthro muscular_male nipples nude paws pecs sheath size_transformation solo tail toe_claws toes transformation wolf