Primary

• Setsuna Higashi adoptive daughter of Ayumi Momozono
• Setsuna Higashi Friend of Miki Aono
• Setsuna Higashi Friend of Inori Yamabuki
• Setsuna Higashi Adoptive sister of Love Momozono

Extended

• Love Momozono Daughter of Ayumi Momozono
• Miki Aono Friend of Love Momozono
• Inori Yamabuki Friend of Love Momozono
• Inori Yamabuki Friend of Miki Aono