While out on their rounds one day, Tsugumi and Hisui learn of the existance of a book written by a prostitute from Yokohama's redlight district. Hisui seems especially desperate to get his hands on this book and when Tsugumi learns the reason why she becomes determined to help him. When Tsugumi discovers that Shiginuma Shouko, wife of the shady owner of the Nachtigal dance hall, she finds herself stepping back into potentially dangerous territory alone.
To the topic you've been dying
to ask me about: that book.
فلنتطرّق إلى الموضوع الذي
.تتحرّقين للسؤال عنه، ذلك الكتاب
Das Thema, das Ihnen so
auf der Seele brennt: das Buch.
Hablemos del libro
del que querías preguntarme.
Hablemos del libro
del que querías preguntarme.
Parliamo di quella cosa che muori 
dalla voglia di sapere, di quel libro.
O assunto que não aguenta mais
esperar para perguntar, aquele livro.
Поговорим о том, что вас
так интересует: та книга.