Fire In The Night Sky (Akura-ou X OC)

(COMPLETED) When 17 year old Zaria is asked to take the trash out by her mom, she sees a man get ran over. Helping this stranger may just cost her her life. When the man comes to, he acts strangely and cruel to Zaria. But as time goes on, he gets used to her presence in his life. There is still one thing he hasn't told her yet, his deepest secret that he planed on keeping for as long as he could, his true identity. For he is infact the blood thirsty Demon King, Akura-ou, and he is not from this world.