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Kōshirō (幸四郎)
Koshiro, Koushirou, Kooshiroo


Akita Inu/Kishu Inu Mix
First appearance
GDW volume 52
Last appearance
GDWO volume 1
Family or owners
Yamabuki, Shiro (great-great-grandparents), Riki, Fuji (great-grandparents), Gin, Sakura (grandparents), Weed, Yukimura (uncles), Ninomiya (owner), Joe (father), Hitomi (mother), 3 siblings (brothers), Aka, Gin's siblings (granduncles), Orion, Sirius, Bellatrix, Rigel (first cousins), Kinumaru, Yuki (second cousins), Jirōmaru, Tarōmaru, Saburōmaru, Koyuki, Zion, Zion's Siblings (third cousins), 2 great-granduncles and 1 great-grandaunt, Riki's Older Brother (great-granduncle)
Meaning of Name
Happy Fourth Son
0 years old (GDW)
0.5 years old (GDWO)

Kōshirō is the youngest and only living son of Joe and Hitomi.


He has greenish-brown eyes and pale red fur.


Ginga Densetsu WeedEdit

He was born in the mountains along with his three brothers, but his brothers and Hitomi were killed the Hybrid Grizzly Bear.

Joe realized that one of the puppies survived and named him "the happy fourth son", so he could live happy, not just for himself, but for his brothers.

Kōshirō became Ninomiya's pet, just like his father, and was called "Chibi" by him.

He later met Koyuki and Kotetsu while hunting. Kōshirō also met his uncle, Weed, but Joe didn't want to be in any terms with him and beat up his son when he went to see him.

Later, Kōshirō was taken to safety during the battle against the hybrid bears. After the battle was over, Kōshirō went to live in Ōu with his father.

Ginga Densetsu Weed: OrionEdit

When the volcanic eruption destroys Ou, Kōshirō is seen fleeing with the other Ou warriors.

After that, he is not seen or mentioned in this series, as such it is unknown if he survived the volcano eruption or not.


See more pircture in Kōshirō (Photo Gallery).

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