Anna wants you inside her massive melons and gives you a choice on how? Well, that is an easy choice. You can get a taste of those titanic towers before you are consumed. To make sure Anna doesn't try to cheat you, you dive forward and start sucking on a tit.

Wonderful tasting and you are enjoying yourself as you suck one mammary and caress the other. But then you realize the boob is sucking back. Your lips, and now your nose, are inside, and the rest of you is following! You try pushing away, but without effect. A moment later, your face is covered.

Your fate seems unavoidable, and so you choose to enjoy it a bit. Anna has been a nice girl, even if she is dining on you instead of how you would prefer. So give her a little pleasure and hope she does the same for you. Your free hand slides to her pussy and gets to work, pleasuring her. As you had hoped, she returns the favor, and with interest. Your excitement builds and builds, and then explodes.
Anna also slows her engulfment of you, but does not stop. Your head is soon completely covered and your shoulders soon follow. As your own set goes into hers, you feel her convulse from your efforts. She pauses, but soon your stomach is making its way inside.
Your hands are no long able to reach her vitals, but she does not stop her efforts to pleasure you and you come again before your mound is our of reach. Having nothing else to do with your hands, you now put them to work on yourself and gain release as the rest of you slips inside.

You wonder how huge those mountains of her's are now, and wonder what happens now, a question quickly answered. You feel a sucking, and you start to flow to both nipples.

Flow? Yes, you realize you are being converted into a liquid, presumably milk, and as you are, Anna is presumably nursing 2 of the other girls with your fluids. You try to stop the process, but how? No idea comes to mind and more of you becomes milk even as you rack your brain.

You can only guess whether the same 2 girls drink all of you or they each get a taste. For your purposes, it is all the same. You continue to flow out of Anna and into the other girls. Finally there is nothing left of you here and you black out, to awaken again in the lab, ready for the next girl to consume.

And so it continues. The girls have a down on you for trapping them into being lab specimens and they want to establish you are at the bottom of the food chain. Some are more gentle than others, even eager for you to enjoy yourself, but they all expect you to be their toy and food. The only variety is when Marilyn selects you to be one of the victims of her strange experiments.

Such is what happens when Marilyn brings in a male student and announces "We are going to be studying cockvore and since Max here was the hero of the big game, he will supply the male part of that. Now we will need to study the sexual and the vore parts of that..."