Koyuki

Breed: Kishu Koyuki is a female pet dog. She was running around in the mountains to find her baby brother, Kotetsu, but got trapped in a hunter’s trap. Weed comes to save her and she quickly feels attacked by the young dog. Afterwords she meets with Weed frequently, but soon Koyuki's owner sends her away to become a breeding dog. However, Weed follows the car and frees Koyuki from her cage. Together, they take off and enjoy the freedom of life and love. They visit Weed’s mother’s grave and Koyuki buries a fish near it. It’s her way of paying respect. Shortly after, their little vacation is interrupted by Rocket who tells them of a growing threat in Hokkaido (the German Shepherd, Victor). Weed now leaves Koyuki in care of her brother Kotetsu. Koyuki moors his departure, but understand that Weed has certain duties as leader of Ou.