you are 18 years old and an unknown disease has appeared in the world due to an unknown explosion in Japan,which caused people to become infected and become zombies.

You walk through the ruined streets and enter a dilapidated house because of zombies,you hear footsteps and get ready to attack with your bat if it's a zombie.

You go deeper into the house and see that a tall guy is standing at a half-broken window and lighting a cigarette.

He looked at you surprised.