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.
I don't know, but his wife 
is a regular at Nachtigal.
.لا أعلم، لكنّ زوجته مداومة في ناتشتيغال
Wer weiß. Doch seine Frau
ist Stammkunde in der Nachtigall.
Ni idea, pero su mujer
era habitual de Nachtigal.
Ni idea, pero su mujer
era habitual de Nachtigal.
On l’ignore.
Non lo sappiamo.
Não faço ideia, mas a esposa dele
é cliente frequente do Nachtigal.
Неизвестно. Но его жена — постоянная
посетительница «Птицы Певчей».