FURVERT!

1:1 absurd_res anthro archie_comics auto-fiona avian balls beak big_breasts bird bodily_fluids breast_expansion breasts canid canine clothing cum cybernetics cyborg doomington duo erection expansion eyewear female fiona_fox foreskin fox genital_expansion genital_fluids genitals gynomorph hi_res hirundinid humanoid_genitalia humanoid_penis intersex kerchief machine mammal nipples non-mammal_balls non-mammal_breasts non-mammal_nipples nude oscine passerine penis penis_expansion sega simple_background sonic_riders sonic_the_hedgehog_(archie)sonic_the_hedgehog_(comics)sonic_the_hedgehog_(series)swallow_(bird)transformation wave_the_swallow