Primary

• Arata Tsuruki Grandson of Yoshirou Usuba
• Arata Tsuruki Cousin of Miyo Saimori

Extended

• Miyo Saimori Childhood friend of Kouji Tatsuishi
• Miyo Saimori Cousin of Arata Tsuruki
• Miyo Saimori Step-daughter of Kanoko Saimori
• Miyo Saimori Sister-in-law of Hazuki Kudou
• Miyo Saimori Wife of Kiyouka Kudou
• Miyo Saimori Daughter of Sumi Usuba
• Miyo Saimori Daughter of Shinichi Saimori
• Miyo Saimori Half-sister of Kaya Saimori
• Yoshirou Usuba Grandfather of Arata Tsuruki
• Yoshirou Usuba Grandfather of Miyo Saimori