Queen Millennia

The series takes place in the (then) futuristic year 1999. Professor Amamori discovers a 10th planet in the Earth's solar system, which he names La-Metal, while at his observatory in Tokyo. Its diameter is 9 times that of Earth. Amamori notes the planet has a highly eccentric orbit and, as it emerges behind the distant Pluto, Amamori realizes that La-Metal is on a collision course with Earth. He calculates that the planet will impact Earth on 9 September 1999, at 9 o'clock, 9 minutes and 9 seconds.

It turns out that La-Metal orbits the Solar System every 1,000 years, but only this time it is fated to come dangerously close to Earth. While damage to the giant ice-covered La-Metal would be minimal, Earth would be destroyed by the planet's massive gravitational pull. La-Metal is inhabited by a subterranean humanoid species ruled by a mysterious Holy Queen, Larela. She plans to abduct a large number of humans before the destruction of Earth, and enslave them with the help of her operatives already on Earth. These operatives are led by Andromeda Promethium, a woman known as a Millennial Queen who goes by the Earth name, Yukino Yayoi. She has been living on Earth for almost 1,000 years, like many such Millennial Queens before her, with the intention of establishing a colony for her home planet.

Promethium, who comes to care for her Earthling foster parents and friends, begins to question the La-Metalians' plans. As Yayoi, she begins working for Professor Amamori and decides to offer her help when Amamori discovers that La-Metal is heading for Earth. The professor's young nephew Hajime, whose parents are killed while designing a spaceship to help a small group of humans escape from Earth, also joins their fight to save the planet.

They are soon confronted by a sabotage campaign initiated by a group of La-Metal generals against Earth. As the two planets come closer to colliding, Yukino finds out that a black hole is to blame for La-Metal's orbital deviation. A desperate plan is undertaken to destroy the black hole and save both their worlds.

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Yayoi Yukino (雪野 弥生, Yukino Yayoi)
La Andromeda Promethium (ラー・アンドロメダ・プロメシューム, Rā Andoromeda Puromeshiyūmu)

Voiced by: Keiko Han

Every 1000 years, a woman called a Millennial Queen is sent from the planet La-Metal to secretly rule over the Earth and lead an underground organization that secretly controls the entire planet. Promethium, known to Earthlings as Yukino Yayoi, is the current Millennial Queen. Some early movie promotional material identified her as Promethium II, and indicated that she was the daughter of the Queen Promethium of the Machine Empire of Galaxy Express 999 (another of Matsumoto's works). This idea (and the suffix, II) was later dropped, however, and Millennial Queen Promethium/Yayoi was considered to be the person who would eventually become the Machine Queen (see Maetel Legend).

While shown with rounder eyes in the anime television series, she is shown with almond-shaped eyes in both the manga and the anime film and looks just like Maetel from Galaxy Express 999.

While Yayoi is Professor Amamori's private secretary in all three versions of the story, there are the following differences:

• In the anime television series and manga, Yayoi lives on the second floor of a ramen shop run by an older couple who have adopted her as their daughter. She has a tiger-striped cat.
• In the anime film, in addition to being Professor Amamori's private secretary, she also teaches at a school and lives in a high-class apartment.

She is very calm and kind woman.

While he locked in prison, She was came and saved her middle school student boyfriend.

Hajime Amamori (雨森 始, Amamori Hajime)

Voiced by: Keiko Toda

Hajime is the main character in the manga and is in junior high school. He looks just like the character Tetsurō Hoshino from Galaxy Express 999, only wearing a gakuran. He has a keen interest in space, and is somewhat infatuated with Yayoi. While he doesn't get good grades in school, he is a very honest and kind person. At first he wants revenge on the people who are responsible for his parents' deaths, but he decides it is fruitless to hold a grudge and abandons that plan.

He angers at his enemy

While his enemy locks him in prison But, He was saved by his adult girlfriend.

There are a few differences between the various versions of the story:

• In the anime film, he is introduced as a student of Yayoi. In order to protect the Earth from La-Metal's troops, he uses a Zero from a museum.
• In the anime television series, he tries to act as a peacemaker between La-Metal and the people of Earth, and tries to work out a compromise between them. In the end, he tries to help people escape from the approaching La-Metal by using a helicopter.
• In the manga, he receives a cybernetic implant which increases his intelligence and allows him to fly space ships extremely well.

Professor Amamori (雨森教授, Amamori-kyōju)

Voiced by: Ichirō Nagai

Professor Amamori is the head scientist at the Tsukuba Observatory. He is Hajime's uncle, though Hajime's father is his younger brother in the TV series and his older brother in the film. He became Hajime's guardian after his parents were both killed in an explosion. Amamori discovered the 10th planet, La-Metal, and determined it would collide with the Earth. At first, he had plenty of hair, but the discovery caused him to begin losing hair (though in the TV series, he keeps all his hair).

He is very gentle man. While his nephew lost his father, He cared his nephew.

Holy Queen Larela (ラーレラ, Rārera)

Larela is the Holy Queen and absolute ruler of planet La-Metal. She appears in the film as a small girl with glowing body and eyes, and energy halos at her head and feet. She is cold-hearted, and it is her plan to allow Earth to be destroyed when her planet passes it for its final time.

She is angered about her daughter. But, Her daughter cares her mother.

• Sen-nen joô at IMDb
• Queen Millennia (anime) at Anime News Network's encyclopedia
• Queen Millennia (film) at Anime News Network's encyclopedia