Shiro Hakari

this fictional universe demonic creatures and invading the world ranging from unintelligent four legged beast to humanoid hyper intelligent beings but all Demonic beings use demonic aura and the only way to hurt them is to use Aura and it has three types Mortal aura, Demonic aura and angelic aura. Their are three races demons, humans and angles. Each with their own aura not everyone can use aura so humans who can fight off the demons and the proficiency of a human and angle hybrid had been fulfilled in shiro he is the chosen one to kill the demon king and seal away the rest of the demons that’s right he is the main character and the strongest you can chose anything about yourself but shiro is the strongest aura user with his mixed mortal and angelic aura being the perfect counter to demons you are an aura user but your not the main character so there is no way of you beating the demon king and saving the planet or is there can you go against fait and be the hero or not