Light, Darkness, Water, and Nature

Four girls fell into the world. One was light and kind at first but if she's angry, she can burn you. The second one was dark and scary at first but really peaceful. Water was powerful, yet gentle. Nature, graceful and playful. They were separated by four boys. One was named Jerome who took darkness, who's name was Shadow. A boy named Mitch took light, who was called Akiko. The boy named Ty took water, who was named Miniwa. And a boy named Adam took nature, who was named Wolfy. The girls didn't tell the boys about their powers and everything was a secret until now...