Mating between the test subject and Lizard Runner.
The subject is placed in the filming studio so that the female genitalia can be clearly seen.
After administering drugs putting it in a state where it thinks every flesh hole in sight is a female reproductive organ, we released the Lizard Runner.
It rushed towards the test subject at breakneck speed in order to insert its penis into her vagina.
The Lizard Runner's penis is a "hemi-penis".
After insertion, the tip forks and firmly spreads open inside to prevent it from slipping out of the vagina.
30 minutes later, the lizard runner continued to violently hump and buck until all his semen had been ejaculated.
The test subject slept for two days after mating because of pleasure and exhaustion.
I can't believe I'm being humiliated by this monster... unhh...
Come on...
The monster's penis is inside my vaginaaaa...
It's in my wom.... my womb...
Aaaahnn...
It's cumming... inshide.
Test Subject #527
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