Nil Admirari no Tenbin: Teito Genwaku Kitan

The story takes place during the Taisho Era, which in this version extends 25 years instead of 15. A girl, seeking to protect her family after their decline, plans to marry a man she does not know. Before the marriage, her younger brother dies in a strange fire, holding an old book. The Imperial Library Information Assets Management Bureau, referred to as "Fukurou," then approaches her. They explain the existence of powerful books known as Maremono, which strongly affect readers. The girl also gains the ability to see an "Aura" following her brother's death. Despite her uncertainty, she decides to abandon her previous life.