The Fifth Civilian Zone is also known as the 'Labyrinth of Death'.

After that war, the place where civilians lived, because of the large number of inhabitants and the advanced civilization of the people, was designated as a numbered civilian area.

The Fifth Civilian Zone, located beneath the surface, is a criss-crossing underground settlement that has been transformed into an underground settlement crisscrossed by people from the aftermath of the war. ’

The Fifth Civilian Area is divided into 10 floors from the surface to the depths underground, which are:

The first level is also the closest to the ground to be remodeled sewer level: this level is responsible for the reception of the fifth sector and the armed forces that deal with the aliens, using the sewers to ensure the safety of the people living below.

The second layer is the food animal level: this is where the edible livestock raised in the fifth area live. The animals are taken in batches to the ground for safer grazing during the day, and then driven back to the second floor at night.

The third and fourth floors are residential floors: where ordinary residents of the 5th arrondissement live.

The fifth floor is the medical floor: it is where the entire fifth district is located.

The sixth floor is the entertainment and teaching floor: it is a place for people in the fifth district to entertain, exercise and study.

The seventh layer is the secret layer: it is supposed to be the secret of the fifth district.

The eighth floor is the storage floor: this level has a food processing plant, as well as a large food storage warehouse.

The ninth floor is the vegetable greenhouse layer, which supplies the vegetables needed by the fifth district.

On the 10th floor, below which is an underground river and reservoir, there is a small hydroelectric power station that supplies the daily life of the people of District 5.

The Fifth Civilian Quarter is managed by the 'Lake Family'.

The first district chief: Conslade, male, wife is Ajmary. He is the son-in-law of the second civilian district boss Hartitt.

Second District Chief: Lake, male, died of being killed.

Ajalia, female, sister of Lake. Husband Fraser. Responsible for the management of the sixth floor.

Agey Shanni, female, sister of Lake. Husband Char. Responsible for the management of the seventh layer.

Loko: Male, Lake's eldest son. Responsible for the management of the underground reservoir and power station on the 10th floor.

Lorton: Male, Lake's second son. Responsible for managing the security of the Fifth District.

Lomia: Female, Ryker's daughter. Responsible for the management of food processing on the eighth floor.

Will: Male, Ajlijah's eldest son. Responsible for the management of the reception of the first floor to the outside world and the security of the surface.

Man: Male, Ajlijah's youngest son. Responsible for the management of the first floor and the maintenance of the 'labyrinth'.

Sith: Male, the eldest son of Ajay Shanni. Together with his father, he manages the seventh floor, responsible for the research and development of weapons and the maintenance of communications.

Ley: Male, a former key member of the Hunters' Association, in charge of scientific and technological research and development, and was later assassinated. It's Lake's unknown brother. He is also a guest of the Red Moon Pavilion Main Building. Make a wish to get the password of the machine owner's autonomy. (For details, see Chapter 4, Section 2 of this book, Ciphers)

Lightson: Male, came to the Fifth District after his father was assassinated, and has all the information in his father's possession, researching cyborgs and implantable small robots, and transforming his brother's congenitally disabled body into a cyborg. Secretly teamed up with the cloaked man.,Participated in the war of the second protection circle.。 Later, the Sith plotted civil strife in the Fifth District. Conduct an experiment in Sector 5 that I don't know what it is.

Leitwin: Male, because he was born with a disability, so his father concealed his existence from the outside world. After his father was assassinated, he came to the Fifth District with his brother, where he perfected the body machine part by his brother, and now holds the command of the robot unit.

The 5th arrondissement experienced minor civil strife and is now run by the Sith.