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 could be said that Machi-kun's 
wormhole is highly sophisticated!
يمكن القول أنّ ثقب ماتشي-كُن 
!الدّوديّ متطوّر كثيرًا
Machis Wurmloch ist komplexer
als es auf den ersten Blick aussieht.
diría que es un agujero
de gusano muy sofisticado!
diría que es un agujero
de gusano muy sofisticado!
Il fonctionne peut-être juste
de façon très complexe.
potremmo affermare che il wormhole di Machi
è altamente sofisticato!
pode-se dizer que o buraco de 
minhoca dela é deveras sofisticado!
можно сказать, кротовина Мати
очень сложно устроена!