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.
I heard that your companion was 
interested in a certain book.
.سمعت أنّ رفيقك كان مهتمًّا بكتابٍ معيّن
Wie ich hörte, hat Ihr Kollege
Interesse an diesem Buch.
Escuché que tu compañero
estaba interesado en un libro.
Escuché que tu compañero
estaba interesado en un libro.
J’ai entendu dire
Ho sentito dire
Eu soube que seu amigo está
interessado em um certo livro.
Я слышала, что один ваш друг
интересуется определённой книгой.