The Girl and the Crystal

After Allen, Krory, Lenalee, Lavi, and Bookman are reunited with each other, they arrive in a town where a strange phenomenon is causing a water shortage. They soon discover a girl named Mei Ling and a history with a crystal ball that might be the cause of the water shortage and a possible Innocence. Also searching for the possible Innocence is two Level 2 Akuma.