"Once in a thousand years, the door to a parallel world opens, bringing strange beings into our world.
However, when this time comes and the world falls into chaos, the legendary Miko and her guardians will be our saviours..."
Following the prophecy that has been passed down for several thousand years in history, the door to a parallel world suddenly opens, and strange beings appear before a group of high-school students who had been living peaceful lives.
These students accept their fate — to become the miko and her guardians — and decide to fight in order to save their world.
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