Dragon and Phoenix Appear Auspicious

From now on, you belong only to me. From the closeness of fate to acquaintance, from love to necessity, I will follow you all the way. You get married, I snatch the bride, who makes you mine? From the war between the two countries to the Three Kingdoms, for the sake of the world, I can only sacrifice myself to save the world, but why do you want to stop me! How come they were originally separated brothers and became love rivals, and at the same time, they became enemies who wanted to kill their father to avenge their mother! "Is it a congenital reason or an acquired reason?"