Most shapeshifters decide to live their lives out as animals, in the woods or as pets. Jack's parents decided let him live as a human and join society. He found out he was a shapeshifter at a much older age. He always felt out of place and lonely, he though he was the only shapeshifter in the entire world. Then he met Mark. And then, somehow, people found out. Now the two are on the run together. At first they didn't get along, but that soon starts to change

-mpreg
-I'd like to be Jack/ bottom
-Mark being a shapeshifter is an option. If he isn't one, he can be helping Jack escape/hide away
-Maybe scientists have developed a scanner to see if animals and humans are what they say they are
-If your comments get flagged, I'm going to take them down or ask you to fix them