Yin and Yang Destiny

It is said that "lonely yin does not last, and solitary yang cannot exist." I have the destiny of yin and yang, and I killed my parents. Grandpa said that I will not live to be eighteen years old, so I must use the secret skills of the yin and yang family to nourish my growth with the yin soul. In addition, I must marry a girl with the five elements in her name to survive the fate. A Yin-Yang Sutra has attracted covetousness from many parties. After my grandfather died, I was involved in countless conspiracies and conspiracies. How could I survive in the turmoil...