Gaikotsu
ガイコツ
He was one of the prisoners in the sixth dormitory. He went to the Juvenile detention center due to his parents who kept getting complaints about him peering into the girls bath. He came to see the match between Joe and Jose Mendoza.
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Tomorrow's Joe
SUPPORTING TV -
Tomorrow's Joe 2
BACKGROUND TV -
Tomorrow's Joe: The Movie
SUPPORTING Movie -
Ashita no Joe Pilots
BACKGROUND Special
Ken Shiroyama
Japanese