The citizenry consists entirely of powerful large dog breeds such as Pitbulls and Mastiffs. They follow Atriaism, the world's second-largest religion. As the population is exclusively Atrian, most are monolingual speakers of the Misha language. Coming from a sun-drenched country, many soldiers have black hair and dark skin. Names often resemble those found in the Middle East of the real world. From childhood, they are diligently taught religious education that encourages the killing, enslavement, and robbery of hostile ethnic groups. They are bellicose, believing that if they die in battle, their treatment in heaven will improve based on how much they plundered from followers of other religions. While they treat their own kind with normal sensibilities, they are merciless toward those of other faiths. Due to the information age, some among the younger generation do not hold these values. They possess a large-scale army and air force. As the country is landlocked, they have no navy.

The citizenry consists of various dog breeds. The military is composed of a multi-ethnic population: 15% Atrian, 70% Senmarist, 10% Futarist, and 5% non-religious. Since the Senmarist population is the majority, the official language is Seto. Most study two languages. While dark skin is common, fair skin is also present; hair colors include brown and black. Physical builds vary. They possess a respectable army, navy, and air force; however, due to current border surveillance against Sidwaba, it is difficult to dispatch large units even in the event of an unexpected attack. The navy, being close to the camp, is the only force capable of immediate action.

Consists of various dog breeds. HCU refugees who originally lived in urban areas along the border but fled to the remote wilderness after their homes were destroyed by indiscriminate bombing. They currently live in a large-scale camp managed by the government and volunteer organizations. They possess zero combat capability.