Thousands of years ago God bestowed humanity the knowledge to forge weapons that will be able to kill demons and God himself if the wielder was strong enough. Now the heavenly weapons were given to ten squads of Vanguards to protect humanity from the demons and monsters that leaked outside of the protection. Suddenly, the vanguards awake in a whole new world with different beasts. Will they be able to find their heavenly weapons and remember their pasts? Will Emma choose evil over good? Read on to find out!