In a Japan where the Taisho Era didn't end after 15 years but went on for another 10 additional years the eldest daughter of the financially declining Kuze family, Tsugumi, resolves herself to a marriage she doesn't desire for the sake of her family. However, Hitaki, her younger brother, vehemently opposes the marriage and after a fight with Tsugumi, shuts himself away in his room and attempts to kill himself. Tsugumi blames herself for her brother's suicide, but two mysterious men appear identifying themselves as part of the Imperial Library Intelligence Asset Management Bureau and reveal that her brother's suicide might not be as clear-cut as it seems.
They both attempted suicide 
without any warning or reason,
،كلاهما أقدما على الانتحار فجأةً دون أيّ سبب
Beide wollten urplötzlich
grundlos Selbstmord begehen
El hecho de que se suicidara
sin ninguna razón
El hecho de que se suicidara
sin ninguna razón
Le caractère soudain
du passage à l’acte
Il volersi suicidare senza un motivo apparente,
Ambos cometeram suicídio sem motivo
Они оба вдруг решили покончить с собой,