A young soldier who belongs to the Empire. He uses a special weapon called the "Astral Swords", which is a pair of black and white twin swords. He is also known as the "Successor of the Black Steel."

The second princess of the Nebulis Sovereignty. She is a powerful astral mage who is feared by the Empire as the "Ice Calamity Witch." Also known as Alice.

She is a transmission engineer in the same squad as Iska. Despite her cute appearance, she is skilled at developing weapons and considered one of the greatest mechanics in the Empire.

Mismis Klass The captain of the 907th Unit of the Defense Agency III, the same squad as Iska. She is short and has a baby face that is mistaken to be a child, but she is a respectable 22-year-old woman.

He is a sniper in the same squad as Iska. He had once trained under the same master as Iska.

Fifth seat to the Saint Disciples. She works for defense mechanism as a special clerk. She is a multi-talented in all spheres. So approachable she is, but sometimes ruthless that she imposes difficult tasks on with big smile. Mismis is her old friend.

Alice's aide and maid. She served as a bodyguard in the palace of a royal family. She is an excellent user of Earthen astral power and is also a skilled assassin.

She is the current Queen of the Nebulis Sovereignty and Alice's biological mother. She considers the Empire as a place of barbarians who had unjustly persecuted witches and sorcerers.