FURVERT!

2_penises 4:3 abs after_frame_focus animal_genitalia animal_penis anthro apode biceps big_muscles black_penis bodily_fluids clenched_teeth draconcopode ear_frill erection erlenmeyer_flask forced forced_transformation forked_tongue four_frame_image four_frame_sequence frill_(anatomy)genital_fluids genitals glistening goo-connected_lips goo_transformation grey_background hemipenes holding_tail huge_muscles human laboratory_equipment laboratory_glassware latex latex_creature legless living_latex long_tail looking_at_self male mammal membrane_(anatomy)membranous_frill multi_genitalia multi_penis muscular muscular_anthro muscular_male naga naga_(warcraft)no_sclera outline pecs penis precum purple_eyes reptile scalie scientific_instrument sequence serpentine sharp_teeth simple_background slime snake snout solo struggling sweat sweatdrop tail takeover tapering_penis teeth tonde tongue tongue_out transformation transformation_sequence triceps