As Tsugumi is slowly getting used to her new job with Fukurou, one day, she meets the Prime Minister's son, Ukai Shougo. Having nearly killed himself due to the influence of a cursed tome, Shougo has come to live at Fukurou in order to recover. While Shougo is rude and utterly selfish, Tsugumi finds herself concerned for him. Meanwhile, when a politician jumps to his death due to a cursed tome Fukurou learns that there may be some connection to the dark auctions held behind the scenes of an illustrious dance hall by an organization known as Karasu. Tsugumi accompanies Shougo in an undercover mission to learn more information.
That's precisely why we're 
investigating every day,
لهذا السّبب بالتحديد نتحرّى كلّ يوم
Genau aus diesem Grund stellen
wir jeden Tag Untersuchungen an
Precisamente por eso investigamos
todos los días
Precisamente por eso investigamos
todos los días
C’est pour ça qu’on les a à l’œil
au quotidien
È proprio questo il motivo per cui ogni giorno
Por isso estamos investigando todos os dias
Вот поэтому мы проводим
расследования каждый день