Original name: 生物彗星Woo
Release date: April 9, 2006
Series
Average time: 0 minutes
Genres:
Synopsis: The story revolves around a living creature which came from a comet named WoO; in the series, WoO is befriended by a young girl named Ai; both are chased by a mysterious organization called SWORD who sees WoO as a threat to humanity. At the same time, giant monsters have invaded in search of WoO.