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 swear to you that it isn't a cursed tome.
.أقسم لك أنّها ليست مجلدًا ملعونًا
Ich kann dir versichern,
dass es kein verfluchter Foliant ist.
Te juro que no es un tomo maldito.
Te juro que no es un tomo maldito.
Je peux vous jurer
que ce livre n’est pas maudit.
Posso giurarti
 che non è un tomo maledetto.
Eu juro que não é um tomo amaldiçoado.
Уверяю вас, это не проклятый том.