In a distant future, humanity is once again facing the threat of the "Shadow Angels," mystical creatures who have returned after 12,000 years of absence. They attack human cities and kidnap their inhabitants in...

A side story that takes place in the period between volumes five and six of the original manga.

For 2000 years, a separate race of humanity has lived on the moon. Known as "the Moonrace," their technology is leaps and bounds beyond those that stayed behind on the Earth's surface. Now seeking to return to...