Stairwell

Exiting the lab slowly you can see the stairwell across the hall, feeling fairly confident there was no encroaching creature you made your way over. A screech from beside you heard as one of the arachnid type creatures ran away seeing the canistor in your hand.

New confidence gained you started to head up the stairs as you heard those heavy footsteps again. Having just seen a creature flee you stop and turn around as the humanoid stopped at the bottom of the stairs eyeing up the canistor in your oustretched arm.

Holding it like a gun "Yeah what are you going to do now huh?" with as much bravado as you could muster the creature eyes darting towards your pussy. It started up the stairs un-bothered by your threat. Turning and rushing away the best course of action you rounded stair after stair the footsteps growing louder.

The creature catching up to you swiftly grabbing you by the neck its cock bulging again clearly it had a taste for you.

Its lust never erring as it placed you in that same position as before and entered you just a roughly.

Its girth the biggest issue pulverising your pussy, spreading your walls making you feel like it was digging a cavern between your legs.

To your luck again it couldn't last long and you felt it cum deep in your carved out pussy.

It fell down and out giving you your opportunity to leave as you hobbled to your feet a slimp limp affecting you as your hips lock up leaving the stairwell entering the hall.