"Muku no Sono'' is a rehabilitation facility where girls with no relatives live together. In reality, it was a dump of girls who had committed crimes. Shikibu infiltrates this dystopia in search of a "secret treasure" left behind by the king of a country. Waiting for them are ex-convicts with many quirks. His encounter with the most dangerous former aristocratic daughter, Charlota Livita, becomes the starting point for a tragedy that shakes not only the facility but the world!