After a major natural disaster, earth is slowly transforming into a desert in which mankind tries to survive. Water becomes a precious resource and the center of political intrigues. In the middle of this, a young boy, member of a gang, encounters a beautiful girl who's a merciless warrior and holder of the key to the salvage of humanity.

Notes:
[*]The first edition ended at volume 9.
[*]The second edition includes the 2 previously unreleased volumes (10 & 11).