Plumbum

Plumbum is a country on the planet Daikuriku.

Physiology
The people of the Plumbum Highlands, or Plumbum, are all born biologically female. However, unlike the nation Simulacrum, everyone's gender is decided a few hours after birth based on which gender needs more people. There is no special ceremony like in Simulacrum.

Geography
Plumbum is a cold, mountainous nation north of Simulacrum.

Goddess
The people of Plumbum worship the Goddess Animus. They consider her a kind and loving deity that abhors violence and war. Animus and Tempus Spatium are one and the same, but have different names.

Priestesses
Plumbum has priestesses who pray to Animus, bless the common people and comfort those in spiritual crisis. These priestesses consider the Simoun Sibylla to also be priestesses and treat them as "those who dwell closest to God/Animus/Tempus Spatium". For that reason, the priestesses of Plumbum often aid the Simoun Sibylla throughout the show.

Government
The government of Plumbum tries to look after its' people by providing free education and health care like in Simulacrum. However, they want to increase their technology to the level of Simulacrum. For this purpose they engage in the war between Argentum and Simulacrum, fighting with Argentum to defeat Simulacrum. They want the secret to the Simoun airships to further their technology.

Language
The people of the Plumbum Highlands speak a different language from the languages of Argentum and Simulacrum.