Item description:

After a earthquake in 2013, a soldier find two special things in ruins?
There is a Ring and a device like watches, but it with blue light.
The scientist find it with radiation and it's very dangerous.
Surprisingly, the human can control the ring with the "watch".
You can make it fly, also can let it return!
It's looks like an alien weapon
So this soldier try to use it to kill.............