FURVERT!

ambiguous_gender balls bodily_fluids bound censored cum duo elemental_creature erection flora_fauna flower flower_creature flowey_the_flower foreskin foreskin_play genital_fluids genitals grey_background greyscale hi_res human japanese_text larger_human larger_male legs_tied male male/ambiguous male/male mammal monochrome motion_lines narrowed_eyes nude_human nude_male open_mouth orgasm penis plant restrained restrained_by_tentacles retsuzyohana simple_background size_difference small_penis smaller_ambiguous smug_face tentacle_on_penis tentacles text undertale undertale_(series)urethra_play