Mass reproduction

"You are a dirty slut Lilly" the disembodied voice continues "You will be the perfect vessel to receive my offspring and spread them throughout this city, and eventually be my tool to enslave the pitiful yet pleasurable human kind."
Lilly shivers. Vessel, offspring, the enslavement of the human race? WTF Lilly thinks. I just wanted a little fun on my BIRTHDAY! What have I gotten myself into.

The 'ground' under Lilly starts writhing with a greater intensity. The occasional tentacle brushing against Lillys pussy has now turned into a constant rubbing. She tries to stand up but the mass of tentacles that make up the floor shift with every fall of her foot. She can feel the slimy appendages pulling at her legs dragging her downwards. Soon Lilly is waist deep her entire lower body is covered in the slimy things. She can feel as one two three small lengths enter into her pussy pumping in and out squirming at three different paces pushing agianst three different walls of her pliable vagina.

She can feel multiple tentacles enter her stretched asshole hundreds of others squirm against and suck on every available space on her lower half. Some more adventurous appendages were making their way upwards. Though in the throws of passion Lilly still had the sense of mind to try to push the advancing tentacles away from the sensitive flesh of her tits. At her first swat a pair of large rather flexible tentacles grabbed each of Lillys already sore wrists and pulled them wide apart and above her head, making her tits bounce.

"Let my children play" the disembodied voice booms "Soon they will be your whole life, submitting to them will be nothing more then second nature. You will relish them thrusting down your throat you will beg to be bound by them you will beg for your limbs to be stretched as they are now and your every orifice to be violated. You will happily spread my children, your children, through the world." The voice laughs "Play children play"