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.
Because it was thin enough 
that I could break it?
لأنّه رقيق جدًّا لدرجة أنّي أستطيع كسره؟
Weil ich sie zerreißen konnte?
¿Es porque era tan fina
que pude romperla?
¿Es porque era tan fina
que pude romperla?
Parce qu’une petite fille
a pu la déchirer ?
Perché ora è così debole che
anch'io sono riuscita a romperla?
É por estar tão fina que
até eu consigo quebrar?
Он был слишком тонким,
раз я почти его разрушила?