The Takei clan had a normal civilian life for centuries, but their historical enemy has finally come to attack and had no mercy to achieve her goals...
Returning from the military, you are looking forward to reuniting with your cousin, meeting new girls, and, most excitingly, participating in a new Immersive Reality Game......
Out of the blue a mysterious man gives you a watch-like wrist device. He tells you that with it you can change the outcome of any situation that just happened....