Rule34.GG

Copyright sonic (series)
sonic the hedgehog (series)
Character shadow the hedgehog
Regular 1sus2person3
alien
alien genitalia
alternate universe
anatomy
au
educational
egg
eggs
eggs in stomach
explanation
gay
genital slit
genitals
hedgehog
hedgehog humanoid
herm/male
hermaphrodite
homo
homosexual
inhuman
inhuman genetalia
male
male only
nonhuman
offspring
only one naked
penis
shadonic
sonadow
sonic the hedgehog
text
this is very educational
urethra
vignette
what
womb