While traveling the wilderness, Mizuho asks Yamabiko how he became a dog. Yamabiko then relates how, 5000 years ago, he wandered different worlds all alone, until meeting a girl to whom he gradually opened his heart. But their happiness was short-lived.
She fought the epidemic,
believing that she could save us all.
لقد حاربت الوباء معتقدة أنها 
.ستتمكن من إنقاذنا جميعًا
kämpfte gegen die Seuche, fest glaubend,
dass sie alle retten können würde.
Luchó contra la epidemia,
creyendo que podía salvarnos.
Elle a combattu l’épidémie
pour sauver tout le monde.
Ela lutou contra a epidemia,
acreditando que poderia salvar a todos.