My best dog

In a dungeon a dog waits tied on a cross for the arrival of its master. After several hours, the master appears and punishes him hard so that he learns how to obey. The master wants to make it his best dog. After the punishment, he wildly sticks his dick in his ass while still tied until he cums. The dog has not yet learned the lesson well so the master unties him and forces him to make blowjobs for long hours. Then he fucks his ass again until he cums with a big quantity of rich milk. After this, the master ties him again on the cross until he needs him again. This will be the life of the best dog!!!