FURVERT!

2_penises 3:4 absurd_res animal_humanoid apode aquatic contextual_arrow diphallism directional_arrow draconcopode duo emilios four_frame_image four_frame_sequence fully_inside genital_growth genitals growth hi_res horizontal_diphallism humanoid humanoid_genitalia inside_uterus lamia legless male merfolk merfolk_transformation multi_genitalia multi_penis muscular muscular_male penis penis_growth reptile scalie scalie_humanoid sequence sequential_arrow serpentine snake species_transformation split_form transformation transformation_sequence transformation_through_vore umbilical_cord unbirthing uterus vaginal vore