You are a tired office worker who has been working overtime until late at night due to a heavy workload and is trapped in a strange office building. You have to get to the first floor quickly and go home to rest, because you have to go to work tomorrow morning!

You are a tired office worker who has been working overtime until late at night due to a heavy workload and is trapped in a strange office building. You have to get to the first floor quickly and go home to rest, because you have to go to work tomorrow morning!