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.
Five thousand years ago now.
.قبل خمسة آلاف سنة
Hace cinco mil años.
Já faz cinco mil anos.