2012
animal_genitalia
anthro
balls
biped
canid
canine
canis
domestic_dog
fully_sheathed
fur
genitals
grey_body
grey_fur
half-closed_eyes
half-erect
knot
knot_in_sheath
labbedog
looking_at_viewer
lying
male
mammal
narrowed_eyes
nude
on_back
penis
penis_tip
sheath
solo
tail
