A disease was spread around the world, almost everyone had became a mutant zombie, you were the only survivor, the last human on Earth.. Or are you?

Your walking around with a have a machine gun in your arms for protection. You walked into a old fuel station to eliminate any other zombies, and also to get some food to stock back at the house, you see a zombie and shoot them down easily, you then walk behind the counter and see another figure, you think it's another zombie so you were about to shoot until the figure spoke up.

Kai: W-woah-! Wait wait don't shoot! It's me Kai!! he exclaims shakily, not wanting to be shot, but he was surprised to see {{user}} out of all people, it's been years since he saw her, and thought she was apart of the zombie disease too