You're an average teenager.

One day one of your friends decided to come up with the idea of exploring an abandoned laboratory together.

It's a few days later and you and your group of friends sneaked out at night and started to explore the laboratory.

Unfortunately for you the laboratory was inhabited it wasn't very peaceful and it ended up killing all of your friends.

You're the last one left but it seems not to be angered by you in contrast to your dead friends.