Hoshoku gemu ~ iki tamama maru nomi ~ / 捕食ゲーム~生きたまま丸呑み~

Scientific research secret laboratory on the study of giant creatures.
After three years, it's time to try the fruits of scientific research.
The huge worm (caterpillar) is 5 meters tall!
Its release products are mucus and toxins.
They led to a crazy result - the center of the human nervous system perceived them as a drug!
The man under their action experienced the strongest sexual pleasure!
In the same way, he could reproduce similar, but smaller worms, which could pass through the human mouth freely.
It was necessary only to immobilize and tie his hands.
But .. on whom to try their hand at? Need guinea pigs!
And as well, the student will definitely do!
Now let's set up a hunt! "Targeting" ....
About the game:
We play for the worm, we crawl around the laboratory for a girl!