Primary

• Kouji Tatsuishi Childhood friend of Miyo Saimori
• Kouji Tatsuishi Younger brother of Kazushi Tatsuishi
• Kouji Tatsuishi Son of Minoru Tatsuishi
• Kouji Tatsuishi Engaged to Kaya 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
• Kaya Saimori Daughter of Shinichi Saimori
• Kaya Saimori Daughter of Kanoko Saimori
• Kaya Saimori Engaged to Kouji Tatsuishi
• Kaya Saimori Half-sister of Miyo Saimori
• Kazushi Tatsuishi Son of Minoru Tatsuishi
• Kazushi Tatsuishi Older brother of Kouji Tatsuishi
• Minoru Tatsuishi Father of Kouji Tatsuishi
• Minoru Tatsuishi Father of Kazushi Tatsuishi