Ying and Yang

Two sisters, born on the border of two clans. They were separated at birth and later reunited at a gathering. But one fight tears them apart.. As you read, you will be engulfed in the three groups, LightenedClan, ShadedClan, and The Tribe of Glistening Peace. Who's side will you take when the prophecy arises? IvySpring's or FadedEcho's? And as time goes on, who will fulfill their roll?