Tsugumi was abducted as she was returning to the apartment and taken to Nachtigal. Shiginuma Takashi tells Tsugumi that he will take advantage of her powers and have her bear his child to succeed him. Meanwhile, having ascertained that the fake cursed tomes are being made in Nachtigal, Rui and his Kagutsuchi companions infiltrate the grand building in order to put a stop to this. In the midst of the confusion, Hayato, Hisui, and the others make their way into Nachtigal to search for Tsugumi. During the search, Hisui comes face to face with Professor Mozuyama, who has conducted numerous human experiments.
They just wanted something rare, 
and to kill someone with it.
لقد أرادوا شيئًا نادرًا وأن يستخدموها
.في قتل أحدهم فحسب
Sie wollen eine Rarität
und jemanden damit töten.
Solo los quieren
para poder matar con ellos.
Solo los quieren
para poder matar con ellos.
Ils veulent juste un objet rare
Vogliono solamente qualcosa di raro,
Eles só queriam algo raro,
algo para matar alguém.
Им просто нужна редкая вещь,
с помощью которой можно убить кого-то.