Yin&Yang: The true story

This story is about an ancient world where one side is being ruled by and evil king he live in a place called the palace of shadows he seeks power and will hurt anyone to get it even his own sons! The other is ruled by a kind man who rules his people fairly he lives in the Palace of light with his daughters. With war brewing the good king will do anything to protect his people and his beloved daughters, but, what happens when the princes of darkness come and pledges to help dethrone their father is it a trick or are they really offering help. What's worse with all the drama the princesses and princes fall in love. Who will win? Will love be torn apart? and how will peace ever be restored after this battle for ultimate power of Amari.