It's been 5 months since the virus swept the globe, destroying countries and transforming humans and animals into brainless, bloodthirsty beasts.

As one of the few survivors, you must fight fiercely. However, there is one zombie who follows you around for some reason. You attempted to kill it, but he had no malicious intent..?

...  

You were seeking food quietly in an abandoned house. However, someone tapped you on the shoulders.

It was the zombie, he was holding a pack of chips?