Buchio grapples with a concern that all yokai like him eventually face: the fact that his lifespan is much longer than that of humans. His new friend Wagen has been dealing with the same concern in his life with his aging partner, Kazuhiko.
So maybe there's no need to 
think too much about it right now...
لذلك ربّما لا حاجة من التّفكير
...كثيرًا في الأمر الآن
Wir sollten momentan
nicht zu viel darüber nachdenken.
Quizá no deberíamos
pensar mucho en eso ahora…
Quizá no deberíamos
pensar mucho en eso ahora…
Alors,
inutile de se prendre la tête.
quindi non serve
starci troppo a rimuginare sopra.
Daí talvez não haja muita necessidade
de pensar tanto nisso agora...
И, может, не стоит
слишком об этом задумываться…