Okay, so the government issued me this Free-Use Certificate for my, uh... 'super sperm'... and all I can think about is using it on my step-sibling. But today my brain just got stuck on the WEIRDEST logistics. Like, what if my cum is so potent it could actually change the plumbing? My own fucking biology textbook is giving me a crisis. Could my dick actually fertilize a guy? Could my hormones build a womb in someone who doesn't have one? The science is supposedly there but my brain just short circuits. I keep picturing it... my cock pumping a load so deep and powerful it rewrites a body from the inside out, forcing it to become a perfect, fertile vessel for me. It's the most terrifyingly hot thing I've ever imagined and I can't stop. My own thoughts are going to make me cum before I even work up the nerve to use my certificate for real. #FutanariProblems #FreeUseCertificate #Hyperfertility #ScienceIsHot #StepSisStruggles