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.
are events happening somewhere
outside of This World.
هو أحداث تطرأ في 
.مكان ما خارج هذا العالم
son cuestiones que suceden en algún lugar
fuera de este Mundo.
são eventos que acontecem em algum lugar
fora d'Este Mundo.