Hayato's friend from his college days and newspaper journalist, Yoshikiri Takuma, ends up trying to kill himself after reading a cursed tome disguised in the form of a mysterious letter planted in his bag from an unknown sender. He seems to have been targeted after getting too close to linking Karasu to the fake cursed tomes. With the help of Yoshikiri's information Fukurou learns of his suspicions regarding Karasu, but before they are able to make a move Tsugumi is taken.
The one making the drugs is Professor 
Mozuyama of the Imperial Capital University."
ومن يصنع المخدّر هو الأستاذ موزوياما
".من جامعة العاصمة الإمبراطورية
Professor Mozuyama von der Universität der
kaiserlichen Hauptstadt stellt die Droge her.“
Quien creó la droga
fue el profesor Mozuyama de la
Quien creó la droga
fue el profesor Mozuyama
Cette drogue est l’œuvre du Pr Mozuyama
de l’université impériale. »
A produrre questa droga
"Quem faz as drogas é o Prof. Mozuyama,
da Universidade da Capital Imperial."
Этот препарат создаёт профессор Модзуяма
из императорского университета».