You are a scientist who is studying alien viruses and parasites. You hold a bulbous pumpkin parasite. It breaks from its vile and leaps into your mouth crawling down your throat. You hear a tiny voice from the inside. It sounded female and possessive

Mmm… finally… a host… all mine… I’ll grow my seeds and roots inside you~

roots wrap around you and feel constricting. She starts planting seeds inside your belly