Dullahans are demi-humans whose heads are separate from their bodies. Naturally, Tetsuo is intrigued by the unique traits of dullahans, but Kyouko is just as interested in learning more about her own body. Tetsuo has the idea to ask the opinion of someone outside of his own background in biology, so he takes Kyouko to meet Souma, an old college buddy.
It's the only thing reminiscent of 
an observable separate space.
إنّه الشّيء الوحيد الّذي يذكِّرنا بفضاء
.منفصل قابل للملاحظة
Dies ist das einzige beobachtbare
Überbleibsel des Parallelraumes.
Es lo único parecido
a un espacio separado observable.
Es lo único parecido
a un espacio separado observable.
C’est ce qui se rapproche le plus
d’une dimension parallèle.
È l'unica cosa osservabile che
richiama uno spazio separato.
É a única coisa remanescente
 observável do espaço à parte.
Единственный наблюдаемый
след другого пространства.