The Secret of Nature (Rewritten)

Zane finds a wounded girl in the forest. This girl possess a powerful necklace who can bring disastrous consequences if it's in the wrong hands. Now the ninjas, especially one of the group, must protect her when a new evil rises. Little did they know that she hides a secret that even she doesn't know. Like nature itself, it will be unexpected... (Better than summary xD) AU story.