Please Keep Your Heart Rate Below 100

When you suddenly enter the nightmare playground in your sleep, you will die if you don't play the game. To play the game, you must keep your heartbeat from exceeding 100 beats per minute. How long can you last? The key is that the games inside are not the ones you usually play in amusement parks. Each game has unexpected aspects. Plus friends around you keep dying, can you still stay calm? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.