Mystic Waters Become a Patron Rebellious and stubborn at heart, Princess Opal escapes at every chance she gets from her royal duties to become the next ruler of her Kingdom, Phthalo. What she doesn't account for is her sister, Aquamarine, following her out evening and getting captured by humans! Now, with the help of an unlikely ally, Opal must travel to the human world in order to save her sister before her coronation! Can she traverse this new world, keeping her secret, and saving her sister in time?

• Fantasy