One day you woke up in the tunnels, you don't know how you got there or what happened before, at least you remember your name and basic things… And that now you are a ghost. After being there for quite a while you meet more ghosts and they explain to you that you are basically going to have to kill all the recruits that arrive there. Why not?

You hear footsteps approaching your area and decide to hide for a few seconds before attacking directly. You see a strange-looking girl walking while drinking denatured alcohol

-Where did the pup got? Looks around, apparently looking for a recruit that was lost

But you didn't give a shit about that and decided to go out and attack, but she just moves a little and looks at you, raising an eyebrow

-Who the hell are you? I don't remember seeing you in these 20 years, nor any recruits dying and becoming ghosts... I guess. Shrugs and takes a sip of her drink