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.
You mean all these human 
sacrifices have just been research?
أتقصد أنّ كلّ هذه التضحيات
البشرية كانت في سبيل بحثك؟
All diese Opfer dienten
also nur der Forschung?
¿Y los sacrificios humanos
solo son para investigar?
¿Y los sacrificios humanos
solo son para investigar?
Toutes ces victimes,
et vous croyez faire une bonne action ?
Sta dicendo che tutti questi sacrifici umani
sono stati fatti per la ricerca?
Quer dizer que todos aqueles
sacrifícios humanos eram "pesquisa"?
Хотите сказать, все эти человеческие
жертвы были ради исследований?