General Information[]
Fitting of its name as the Academy City, a majority of the inhabitants of Kivotos are students. They live alongside human-like animals and robots who are treated similarly to humans. Kivotos is mostly run by its students, including the General Student Council which oversees all of Kivotos. Likewise, most schools are self-managed by the students of that specific school, typically in the form of their student councils.
Halos[]
All students possess a halo, each with a unique appearance—whether it be in color, shape, pattern, or form. The appearance of a student's halo depends on many factors, though major ones include their personality, origin, and/or symbol. These halos are an integral part to the extraordinary life in Kivotos, where gunfights are an ordinary part of everyday life. Halos provide students with a supernatural degree of resistance, allowing them to shrug off not only small arms fire, but also explosions, large munitions, and vehicular impacts, among other life-threatening injuries, with ease. However, because the damage that a student takes is not zero, it is still possible for them to die from these instances if severe enough and left untreated.
The presence of a student's halo generally can be used to determine whether they are conscious or not. When a student is unconscious, whether it be from sleeping or a concussion, their halo will not manifest. However, in the case of death, students often use the phrase of "breaking a halo," which is equivalent to death for a student. While death is rare due to the difficulty and the morality of the students, it is still possible through a number of different means.
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Firearms[]
While it's not confirmed that all students are required to possess a firearm, a firearm is treated in Kivotos just as a real world student would treat their cell phone—that is, as an essential part of everyday life. Firearms are seen in widespread use in Kivotos, being used for everyday scuffles to full-blown wars between academies. The ubiquitous nature of firearms in Kivotos has, likewise, resulted in ample infrastructure set up to maintain their usage, including easy access to munitions from sources like vending machines and convenience stores, to easily available places to recycle used equipment such as ammunition, magazines, and even entire guns themselves.
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Appearance[]
Students tend to share a theme depending on their school's real-world analogs, such as the country and religious/mythological/folklore it is based on. For instance, Gehenna's clothing is generally more based on historical German military uniforms, and its students contain more "devilish" traits, such as horns, demon tails, or pointy ears. Contrasting Gehenna would be Trinity with their sailor uniforms and "angelic" traits—mainly large, avian wings.