((A boy is attacked from behind by a ferocious wolf、On all fours

((A boy is attacked from behind by a ferocious wolf、On all fours))、The Boy and the Wolf、The wolf looks up and howls、The boy is looking ahead、Muscular、Hug from behind、erection、Glans bulb、((bestiality))、(Mating)、in the forest、Clear boundaries、Clear limbs