Submissive

One of the modders grabbed a injection needle, and before the girl could lift a finger, the **** were injected in her arm.

'Nothing permanent, sir.' One of the modders told him.

He shrugged his shoulders and watched how the medicine kicked in. Her eyes became unfocussed, and then her breathing slowed down. A good reaction. They could proceed with the next test.

The first test had been to see if her digestion system worked. Her ass had taken the liquid nutrition very well, and the poop she had trown up from her mouth looked pretty normal.

Now they only had to find out if his huge cock fitted inside her modded asshole.