He was a lieutenant of Nishiki Family and after Nishiki died,he became the second chairman of Nishiki Family.
Initially a lieutenant of the Nishiki Family, he serves as a boss fight in Chapter 7.
By Yakuza 2, he has become the second chairman of the Nishikiyama family.
- Yakuza 2 Chapter 5: A Hidden Past Shindo refuses Yayoi Dojima's orders to back up Kiryu against the Koreans, he then threatens to secede from the Tojo Clan.
- Yakuza 2 Chapter 9: The Omi Invasion Shindo betrays the Tojo Clan and holds members hostage, wanting Yayoi Dojima as his lover. When Kiryu defeats Shindo in combat, Shindo attempts to kill Yayoi. Daigo intervenes and shoots him twice.
Koji fights with a katana in an unrefined brutal style with a clear lack of training.