Ty had always thought the way humans reproduced was weird. It took so long, and they weren't even designed to naturally birth a child without a ton of outside help. He felt like it'd make more sense if they laid eggs that babies hatched from.
And so, he wished that human reproduction would change so people laid eggs. To make it more interesting, and something he could experience for himself, he decided to make it so men laid eggs too.
Once he wished it, every human developed an ovipositor inside the body. In females, it formed from the ovaries, altering menstruation significantly, and in males, it formed a new organ that linked to the anus.
Ty felt surprised at the realization he could, in a sense, get pregnant now, and wondered how to take advantage of this power...