In the future, a game called "Secrets of the Ninja World" is popular all over the world. On the day of the fourth generation's succession, a screen falling from the sky interrupted the handover ceremony...
If the tragedy has not happened yet
If we still have the ability to change
We hope the future will be better
We hope to end this chaotic era
Purpose: When a tragic future unfolds before our eyes, what should we do to change it?