FURVERT!

absurd_res age_progression aged_up animal_genitalia animal_penis anthro anus anus_expansion autofellatio balls balls_expansion balls_touching_floor basic_sequence beard beard_growth belly big_balls big_belly big_penis bodily_fluids body_hair body_size_growth butt canid canine canine_genitalia canine_penis canis chest_hair clothing cum cum_in_mouth cum_inside domestic_dog doug_(douglas_kim)douglas_kim erection expansion eyewear facial_hair facial_hair_growth genital_expansion genital_fluids genitals german_shepherd glasses growth growth_sequence happy_trail herding_dog hi_res huge_balls huge_penis hyper hyper_balls hyper_genitalia hyper_penis knot knotted_penis lactating leaking_precum male male_lactation mammal masturbation multi_frame_sequence musclegut muscular muscular_anthro muscular_male mustache nine_frame_image nipples oral oral_masturbation pastoral_dog penile penile_masturbation penis penis_expansion perineum precum sequence sheath size_transformation solo standing thick_penis torn_clothing transformation transformation_sequence tusks underwear