Necroambulist Stories

Gray Clepper's life was seemingly perfect. Perfect looks, perfect boyfriend, perfect friends. But when everything suddenly changes and the apocalypse hits, Gray's left by herself with one message from her parents: Save the world. But Gray's struggling to even save herself. ...At least, until she meets Kain Vargas and his friends. Suddenly Gray's not alone anymore. She has help. But can she trust them? If even one of them finds out her secret, she's sure to be killed.

A girl gets impregnated with a zombie after having sex with a guy who'd been bitten by a few. They do not show symptoms due to the fact that they have heterochromia iridum (different colored eyes). The composition of this condition, so to speak, blocks any feeling or action a zombie would normally have.