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.
The result of which will lead to the 
advancement and evolution of mankind.
.الذي ستؤدّي نتيجته إلى تقدّم وتطوّر البشرية
El resultado conducirá
a la evolución de la humanidad.
El resultado conducirá
a la evolución de la humanidad.
Grâce à elles, l’humanité
fera un grand pas dans son évolution.
E il suo risultato porterà a un progresso
e all'evoluzione del genere umano.
O resultado levará ao avanço
e evolução da humanidade.
Ради результата, который приведёт
к развитию и эволюции человечества.