You wake from your pleasant dream about how to deal with your master. Alas, it was indeed a dream. You are still tied up and unable to reach him, much less unbirth him, and he has already shown you that even if you could unbirth him again, he would get out again, in a manner that will hurt you a lot more than it will hurt him.

Well, you are not going to give up yet. There are still lots of ways to fight.

Eventually the !@#$ wakes and gets up, and uses you as casually as he uses the toilet. Then he adjusts your chains so you can move again. "Now, it's time for my breakfast. Climb in." as he closes his eyes and opens his mouth.

Well, you may not be able to vore him, but you can still bash his skull in, and here is a nice convenient hammer. You grab it and turn... and it slips out of your hand. Your greasy hand... The hammer was just covered in grease ... It was a trap!
Looking at Charles again, you see your suspicion confirmed. "Disobedient slaves need punishment. Now first I need to show you that when I say something, it happens. So in you go."

With that he grabs you and starts swallowing. He takes his time, allowing you full ability to struggle, but no matter how much you try, you continue to be swallowed at the same rate. You also continue to get no pleasure out of it. His touch is deliberately slimy and repulsive, and constant. He carefully licks over your mounds, giving quite the opposite of a thrill and violates your center just as unwelcomingly. Your legs are consumed casually and you end up a ball of flesh in his belly again.
Well, if you can't defy him any other way, you can at least pleasure yourself, and you start to masturbate.
Or rather try to...
You don't know when he did it or how, but your chains have locked you in a position where you can't touch yourself. You can hear that !@#$ chuckling as he feels your desperate efforts. Which are useless. All you can do is sit here and be digested.

Eventually you are, and you reform in Charles' room. To your surprise, you are still in chains. "Yes, the chains stay with you, even thru digestion and reforming. You do not get out of them unless I decide to let you."

Then he pulls you by your lead chain. "Now it is time to get to your punishment. Come along." Since it is walk or be dragged, you walk.
For some time he ignores your questions about where you are going as you leave the building and head along a path, but eventually there is a sign on the road, saying "Vore Zoo, left path", and he pulls you that way.
Soon you are in what looks indeed to be a zoo. "Quite a few creatures besides humans know how to vore, and we keep a number of specimens here. They need feeding of course, and since you are so overeager to vore people, you can learn how it feels to just be food while you are taking care of that problem.
"Now let's see... What to throw you to?...