FURVERT!

absurd_res animal_genitalia animal_penis anthro balls balls_expansion base_one_layout basic_sequence big_penis bodily_fluids body_part_growth bovid bovid_horn caprine caprine_horn corinoch_(artist)cum cumshot dripping ejaculation excessive_genital_fluids excessive_precum expansion four_frame_image four_frame_sequence genital_expansion genital_fluids genitals growth hi_res horn human human_to_anthro leaking_precum lemon_testicles linear_sequence male mammal masturbation muscle_growth muscular muscular_male one_row_layout penile penile_masturbation penis penis_expansion precum precum_drip sequence sheath solo species_transformation tail transformation transformation_sequence transformation_through_masturbation vein veiny_penis