STORY

A giant crystal appears in the city of Tokyo.

The blue-glowing crystal blended into daily life and became a familiar presence.

However, those peaceful times came to a sudden end.

Strange monsters appear from a mysterious, menacing energy polluting the crystal, driving humanity to despair.

As terror dominates the city, armed warriors emerge,
as if they were answering to a cry for help.

As they conceal their identities and quickly disappear after battle,
people began to call them 'ghosts'...