In a world full of demons, there are those who are born with special abilities to fight those who want to spread evil. They are demon hunters. They fight for those who cannot defend themselves, and are raised differently from others. Raised to fight from birth, there are some who feel as though the world is unfair and those who take their power to their heads. But of all the hunters, there are families that stood out from the others. The Daemons and the Angelus'. But there was an incident that occurred many years before, that caused a hatred between the two families to bloom into existence. No one knows if they will ever come to fight side by side again, but now there is a war that will soon ravage the world. One decision will determine the fate of all those who live in this world. Will they become survivors, or will they become extinct?

"I've lost everything, my home, my parents, and my brother is missing. All I have left is this spear, my mother's necklace, and an old hair pin." Ara Haan is a strong and reckless girl. On the outside she is a tough and merciless opponent, on the inside she is a scared little girl who has just witnessed the murder of her family during a demon invasion - Ara is determined to avenge their death. Still many questions emerge from Ara's head, such as how did she ever survive back then? What is with that strange voice whispering in her head; and where is her brother - the only one who wasn't present in the village during the attack? These answers will soon be revealed as Ara - along with her new found friends - embark on a dangerous quest throughout Elrois, uncovering the mysteries and dark secrets which lay in the heart of their homeland. Dark forces will be watching closely as our heroes dig deep into each mystery. This is a story of loss, betrayal, maturity, love, darkness, and light - Yin and Yang.