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.
Though, that would be a 
pretty tiny wormhole...
...ولكن سيكون ذلك ثقبًا دوديًّا صغيرًا للغاية
Das Wurmloch muss
wohl echt winzig sein.
Debe ser un agujero de gusano
muy pequeño…
Debe ser un agujero de gusano
muy pequeño…
En tout cas, il est bien caché,
ce trou de ver.
Tuttavia, sarebbe un wormhole molto piccolo...
Se bem que seria um buraco 
de minhoca bem minúsculo.
Только скромная получается кротовина...