Rule34.GG

Regular angry
animal genitalia
anthro
balls
black body
black fur
bondage
bound
brown body
brown fur
canid
canine
canis
collar
cuff (restraint)
featureless chest
fully sheathed
fur
genitals
good boy
grey background
hi res
katthekitkat
kneeling
male
mammal
muscular
muscular anthro
muscular male
muzzle (object)
muzzled
mythological canine
mythological creature
mythology
restraints
sheath
simple background
solo
werecanid
werecanine
werecreature
werewolf
wolf
wrist to thigh