2:3
abdominal_bulge
anthro
belly
duo
echidna
eulipotyphlan
hedgehog
hi_res
knuckles_the_echidna
male
male/male
mammal
monotreme
navel
rumbling_stomach
sega
shadydaone
soft_vore
sonic_the_hedgehog
sonic_the_hedgehog_(series)
vore
