Behind His Mask|K.TH. Fanfic

There was a boy named Kim Taehyung. He was the lost prince of Changdeokgung Palace, One of the strongest palace in Korea. Taehyung run away from the palace after his father got killed which is the King. He wants to take revenge for his father and find his mother. But the King of Deoksugung Palace also wants to kill Taehyung, so he used the mask his mother gave to him before she left to hide his true identity and do his mission, But he cannot do it alone, until she met this girl named y/n a princess from Gyeongbokgung Palace. She always help him even tho he cant see his face because of the mask but she still believes that someday he will reveal who he is. But how will he survive if all people in Deoksugung Palace hates him? How will he take revenge? Can he do it alone? Or will his fathers justice remained silent? Will he find his mother? WILL HE SURVIVE? And most importantly will he find his true love?