The Walking Dead: The Last Days

[Zombie apocalypse + decisive protagonist + no harem, no special powers + end of the world]

An unprecedented meteor shower triggers a global flu pandemic. On the day the zombie crisis erupts, more than two-thirds of those infected turn into zombies. Four days later, the zombies begin to mutate. Seven days later, 90% of the global population is infected...

When zombies surround the cities, how will humanity respond?

(Note: All characters and events in this story are fictional. Please do not associate them with real life.)