Rule34.GG

Regular animal genitalia
anthro
balls
biceps
black body
black fur
black nose
brown body
brown fur
canid
canine
canis
claws
dobermann
domestic dog
fluffy
fluffy tail
fully sheathed
fur
genitals
hands behind head
hi res
inviting
looking at viewer
lying
male
male only
mammal
nude
on back
pecs
pinscher
presenting
purple background
sheath
simple background
smile
solo
solo focus
spread legs
spreading
zerrazoid