Kazarin killed a mother dog when testing her soon-to-be-beast-fighter wolf, Garus. The puppy who lost his mother was then kept by Daijirou. Kenichi didn't like his brother keeping a pet dog. When Voltes was fighting Garus, the puppy recognized the beast fighter as the former wolf who killed his mother.
click here to see where to watch or .
Ready to Watch Voltes V, Season 1, Episode 23?