Primary

• Yoruichi Shihouin Human form of Yoruichi Shihouin (cat form)
• Yoruichi Shihouin Teacher of Soi Fon
• Yoruichi Shihouin Former captain of Kisuke Urahara

Extended

• Kisuke Urahara Friend of Isshin Kurosaki
• Kisuke Urahara the former 3rd Seat / potential love interest of Yoruichi Shihouin
• Soi Fon Former student of Yoruichi Shihouin
• Soi Fon Captain of Marechiyo Omaeda
• Soi Fon the captain of Marechiyo Omaeda
• Soi Fon Owner of Suzumebachi
• Yoruichi Shihouin (cat form) Animal form of Yoruichi Shihouin