FURVERT!

4_toes 5_fingers abs alaskan_malamute animal_genitalia anthro anthro_on_anthro balls between_legs biceps big_balls big_muscles big_pecs big_sheath biped black_body black_fur black_hair body_size_growth brown_hair canid canine canis claws damaged_ceiling damaged_floor domestic_dog dravu duo feet fingers fully_sheathed fur gausswolf genitals growth growth_sequence hair huge_muscles hyper hyper_muscles macro male male/male mammal muscle_growth muscular muscular_anthro muscular_arms muscular_male muscular_thighs nipples nordic_sled_dog nude obliques pecs red_body red_fur sheath size_difference size_transformation spitz standing tail toe_claws toes transformation triceps vein wfa white_body white_fur wolf