Years ago, a tragic accident led to Kurau's possession by a Rynax. Now an adult, the Rynax powers she acquired so long ago have made her an unstoppable agent.

Kurau's latest case forces her to protect a detestable young bridegroom.

Kurau takes on an extremely dangerous assignment, rescuing a space pilot whose spaceship has gone out of control. There are complications, however. Kurau and Christmas are being watched by the GPO, the police department of the future, and a blonde man, who apparently is a private agent.

Kurau and Christmas are on the run from the GPO and must leave their old life behind. Kurau gets a job as an agent with a new company, going after a gang of art thieves. When Kurau's new partner is captured, she is forced to rescue him.

The GPO sets a trap to capture Kurau. Doug, the blonde agent, befriends Christmas and Kurau.

Using false identities, Christmas and Kurau flee to Los Angeles. They discover a Rynax energy plant nearby and Kurau decides to investigate. However the GPO has managed to follow them to LA, and the pair find themselves cornered by the GPO.

Kurau and Christmas are captured by the GPO

Ayaka interviews Doug to find out the location of Kurau and Christmas. Meanwhile, Kurau tries to heal people who have been injured by Rynax energy.

Kurau and Christmas find a safe haven, living with their uncle, Frank and their aunt, Kleine, in Switzerland.

Kurau rescues Yvon after the GPO captures Jessica. However, Ayaka and the GPO continue their hunt for Yvon.

Inspector Wong tells Kurau and Ayaka about the GPO's secret agenda. Ayaka finds out who killed her family, when she was a child.

The Rynax twins, Windt and Regel, turn out to have no regard for human lives, when they act out their strategy to capture Kurau's Rynax energy.

The twins learn what it is to be human. What price will they pay for this unbearable knowledge?

Windt goes after Director Saito. Will Kurau, Ayaka and the GPO be able to stop him?

A lonely Christmas goes back to live with Uncle Frank and Aunt Kleine in Switzerland. Meanwhile, Kurau goes back to live with her father. We find out the real reason that Kurau loved the Christmas holiday.