Downloading Forcibly Knotted by the Shifter: Mate

When he decided to take a shortcut through the woods in the pouring rain, Trey had no way of knowing just what awaited him. Really, he should've taken the Uber. Then maybe he wouldn't have been... forcibly knotted by the shifter who calls him "mate." (Or maybe just wants to mate. It's a little complicated.) 13k word erotic short story. Warnings include noncon, shifted sex, knotting, mpreg, watersports, and porn without any real plot.