Tsuna Arashi was a Tosa, the great Champion of the Japanese dog fighting compititions. He fought against Benizakura and the two drawed. Tsuna Arashi became blind and retired from the fighting competition, but was used to train the young dogs. He met Benizakura again, who was furious to see such a great champion used as a punching bag. He jumped to protect Tsuna Arashi and killed the younger dogs.

Tsuna Arashi was not seen anymore and died of old age.