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.
but he's right that we need to work harder.
.لكنّه محقّ ويجب علينا أن نعمل بجدّ أكثر
aber er hat schon recht, dass wir
uns mehr anstrengen müssen.
pero tiene razón, debemos trabajar más.
Pero tiene razón, debemos trabajar más.
Però ha ragione sul fatto 
che dobbiamo impegnarci di più.
mas ele está certo que
temos que nos esforçar mais.
Хотя он прав, нам нужно
приложить больше усилий.