After struggling for many years against the Demon Lord and his six demon king subordinates, Humanity was enslaved and forced to work for the demons on the planet of Reiga. That all changed one day when the prophecy has been fulfilled and Six special teenagers on their 16th birthday were granted 6 of the 7 elements to fight back against the demons. Aura and her friends succeeded in killing the six demon kings for good and were confident they could take on the Demon Lord at his lair even without the 7th element, But they were very wrong..and their misjudgment cost Aura a lot
