4:3
anthro
anus
balls
bat
big_balls
big_breasts
big_butt
big_penis
breasts
butt
duo
echidna
fan_character
female
furfurric
genitals
hi_res
knuckles_the_echidna
male
male/female
mammal
monotreme
penetration
penis
rouge_the_bat
sega
sonic_the_hedgehog_(series)
vaginal
vaginal_penetration
vulva
