4:5
anthro
anus
backsack
balls
biped
butt
canid
canine
canis
dipstick_tail
domestic_dog
genitals
half-erect
humanoid_genitalia
humanoid_penis
kneeling
low_res
male
mammal
markings
masturbation
nanimoose
nude
penile
penile_masturbation
penis
pronounced_browridge
solo
tail
tail_markings
