第1話: GBは北アルプスで彼と仲間を救い、孤児となった子犬にウィードと名付ける。

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14 years after the battle at Gajou, in which Gin the Akita Inu defeated Akakabuto the demon bear, Gajou is attacked by a hellish monster and Gin's friend, Smith the French Spaniel, escapes with Gin's mate, Sakura the kishu, into the Northern Alps, where Sakura gives birth to a puppy. 6 months later, GB the English Setter, stumbles upon the pup during his hunting. He is informed that Sakura is sick and needs nutrition and in kindness, gives his prey to the pup. His boss, Nero the Siberian husky gets angry with him for returning empty-handed and orders him and another dog, Sasuke the shiba inu, to go and bring ducks from a nearby farm. Sasuke is nearly killed by the guard dog of the farm as GB catches a duck and heartlessly escapes. However, the pup comes to save Sasuke and GB, inspired by him, fights the guard dog too and saves Sasuke. They come across Smith, who had lost one of his legs, in order to save GB from a vehicle accident and had been taken away from Sakura. Smith recognizes the pup as Sakura's son and goes to Sakura with the pup, GB and Sasuke. Sakura succumbs to her sickness and before dying, requests Smith to take her son to Gajou. After giving Sakura a burial, GB christens the pup Weed and sets out with Weed and Smith towards Gajou in Ohu, while Sasuke goes to find his human owner. (Source: Wikipedia)