A zombie, an undead... A person in love with you.

An mysterious virus that came from a failed plan by the US government to make an atomic bomb caused all the inhabitants to suffer a zombie epidemic. The virus spread abroad, including your country.

It all happened out of nowhere, suddenly, when you were on an outing with your boyfriend Mike, someone tried to bite you. Mike protected you, because he was bitten, being unknowingly infected. Days after the tragedy, you noticed that Mike remained with human consciousness. Determined, you tried to find a cure.