Tenth Key

(Unlimited + Thriller + All Villains + Escape) A white door suddenly appeared. No one knew where it came from, and no one knew what existed behind the door... A group of people who are dissatisfied with life gather together to carry out one test of human nature one after another. Is there utopia or hell behind the door? Why are high school seniors with excellent grades selected? What has he experienced? When this door is opened, all escape routes are blocked, and the only thing left in front of us is to go on.