Her belly expanded like a water balloon being filled from multiple garden hoses. He could feel his tentacles being forced out by his own cum, but he did not mind. He was satiated for now, although he thrust inside of this raw swamp of a girl's body, causing cum to splurge out with sickening sloshes and slurps. His tentacles slithered over the top of her painfully swollen abdomen. The skin was taut and stretched out like rubber.<br/><br/>"Hey Tom! I wonder if I could get it to throw her at you like a cum-balloon," one of the scientists grinned to another in the observing room. "Think she'll explode and drench you?"<br/><br/>"Fuck, that'd be kinda hot in a sick way," Tom replied. "But she can't die. She has to breed."<br/><br/>"Yeah, the computer says she's only at 54% capacity. Her vital signs still permit a lot rougher treatment before she even passes out. She's got an amazingly resilient body!"<br/><br/>"Hell, makes me want to have a go at her!"<br/><br/>"Hah! She'd barely feel you inside after THAT.<br/><br/>"Wait til you see her give birth. You ain't seen nothing yet."<br/><br/>In the room, the monster slowly pulled out of the girl's orifices, secreting viscous black sap all along her tracts. This was a biological sealant, which closed her quivering pussy and bleeding sphincter of an anus to prevent any cum from leaking out (besides that which had formed a gigantic puddle under her already). Her mouth was harder to seal, since her jaws were much stronger than the raw wreckage that was her lower cavities. After the seemingly endless gallons of cum that erupted in fountains from her throat had subsided to steady dribbles, she could partially breathe through her mouth again. The sap simply made it hard for her to move her jaws (which were were sore from almost being dislocated by the giant tentacle), but it had not sealed her mouth the way it did her ass and her vagina.<br/><br/>He dropped her spent little body in the puddle of sticky cum, no longer interested in her. He had no capacity for empathy. A fellow human would have looked at her pitiful figure and want to do something to relieve the obvious pain that the pressure in her swollen body must have been causing her. A human would have wanted to end her misery somehow, do anything to make her feel better. But he was not 'human,' and neither was she as far as he was concerned. To him, she was a warm cum receptacle that writhes and gurgles to make things more interesting for him.<br/><br/>Another compartment opened and he sensed an overwhelming desire to crawl into it. Something smelled nice in there. Yet as soon as he entered, the doors closed on him, and he was isolated again. He stopped in confusion, feeling stupidly at the walls with his drying, deflated tentacles.