Primary

• Nico Yazawa Younger Sister of Cocoro Yazawa
• Nico Yazawa Younger Sister of Cocoa Yazawa
• Nico Yazawa Younger Sister of Kotaro Yazawa
• Nico Yazawa Daughter of Nico's Mother
• Nico Yazawa Older Sister of Cocoa Yazawa
• Nico Yazawa Older Sister of Cocoro Yazawa
• Nico Yazawa Older Sister of Kotaro Yazawa

Extended

• Kotaro Yazawa Son of Nico's Mother
• Nico's Mother Mother of Kotaro Yazawa
• Nico's Mother Mother of Honoka Kousaka
• Nico's Mother Mother of Nico Yazawa
• Nico's Mother Mother of Cocoa Yazawa
• Nico's Mother Mother of Cocoro Yazawa