According to Kwaidan: Stories and Studies of Strange Things, by Lafcadio Hearn, a butterfly was seen in Japan as the personification of a person's soul; whether they be living, dying, or already dead.
Segundo Kwaidan: Stories and Studies of Strange Things, de Lafcadio Hearn, a bolboreta considérase en Xapón a personificación da alma; tanto se a persoa está viva, coma moribunda ou morta.