The Monster Inside

There is a monster deep down inside Peter. His monster lives below the surface and only comes out when he is stimulated sexually. When he is about to cum, the monster emerges. It is for this reason that he has yet to make love to his sweet girlfriend, Anne. But today, her pussy is so wet with desire and she wants his cock inside her so much that she pulls him in. It is then that she discovers the secret that he has been hiding.