Nil Admirari no Tenbin

Tsugumi Kuze prepares to sacrifice her own wishes in a marriage meant to rescue her family's fortunes. An alarming incident involving her younger brother and an old book instead brings her into contact with a bureau that investigates volumes carrying dangerous human emotions.

Now able to see the books' auras, Tsugumi joins the investigators and steps beyond the sheltered life she has known. Recovering the cursed texts draws her into concealed motives and rival interests throughout the imperial capital.