Alien impregnation fantasy. 29 weeks pregnant

Scenario: I'm a single pregnant woman, getting pleasured by some random guy I met online. I'm riding him (pov cowgirl) like crazy until I starting to feel his creampie inside my belly. I rub my belly and dirty talk about how much I love being pregnant and all the movement I feel inside my belly. Next scene I wake up and start to reminisce about last night, and how good my date was and how I wish he could be my baby daddy. Suddenly I start to get belly cramps, and then become shocked at how much movement I feel in my belly now and wonder if I'm carrying twins. Then I go to the bathroom to get a better look at my belly, until suddenly I start to feel kicks inside and begin to massage my belly to help ease my "braxton hicks." Then I oil my belly and breasts while I talk about how much movement I'm feeling inside and how it's starting to hurt. I then start say that I'm feeling a lot of movement in my belly and my belly then pulls me around until I stand in front of a window...