Rule34.GG

Regular age difference
anthro
bear
blush
canine
closed eyes
cowgirl position
cruelpastry
female
female on top
flat chested
lupin (lupin's tales)
lying
male
mammal
nipples
on back
on top
one eye closed
open mouth
sex
simple background
straight
sweat
tiny bad wolf
traditional media (artwork)
wolf
young