In deep space a battle wages between the forces of good and evil and the fate of the Earth hangs in the balance. The evil Neos Gold dispatches her invading forces towards Earth with only one aim: the total destruction of all mankind. Now it's up to Iczer 3 (the younger sister of Iczer 1) to defend the Earth from the deadly armada of Neos Gold, with only the Earth's single remaining battle cruiser on her side. But don't count her out; what Iczer 3 lacks in experience she makes up for in all-out enthusiasm.

Princess Minerva enters a tournament that offers the winner a fortune. But when her bodyguard gets kidnapped by an evil sorceress, things really start to heat up.

The fate of mankind is doomed in the early 21st century due to losing "purana," an essence of living force supporting all life forms. Not willing to witness the extinction of mankind, a vampire named Duo disclosed the secret of purana to humans, saving the latter from destruction. However, just like Prometheus in Greek mythology got punished for bringing fire to mankind, Duo is punished for breaking the taboo. The vampire sent to punish him is Zieg, Duo's best friend, or, more than the best friend.

A millennium ago, the Five Monarchs guarded the land of the Xia Dynasty with magical artifacts. Later, the leader of the Dragon Clan, Zu Long, assisted humanity by establishing the Yun Chui Empire. The Empire faces the Tranquil Ocean where the Xi and Black Water Clans have defended it throughout a peaceful millennium. Now, the waves are surging from below and chaos will rise once again.