グリーンボックス

Sena, a high school boy, wakes up in an empty green room. In front of him was a world map and a one-line explanation. “Think of what you want and press the button for the country you want to destroy. You will be released if you win.'' Sena, who is gradually cornered, finally presses the button. Will it be Sena or humanity that will survive in the end?