Primary

• Julio Younger Brother of Ciel Kirahoshi
• Julio Twin Brother of Ciel Kirahoshi
• Julio Former Enemy of Ciel Kirahoshi
• Julio Former Enemy of Akira Kenjo
• Julio Former Enemy of Ichika Usami
• Julio Former Enemy of Yukari Kotozume
• Julio Former Enemy of Aoi Tategami
• Julio Former Enemy of Himari Arisugawa

Extended

• Ichika Usami In love with Akira Kenjo
• Ichika Usami Teammate of Akira Kenjo
• Ichika Usami Teammate of Aoi Tategami
• Ichika Usami Teammate of Himari Arisugawa
• Ichika Usami Teammate of Yukari Kotozume
• Ichika Usami Daughter of Satomi Usami
• Ichika Usami Daughter of Genichirou Usami
• Akira Kenjo Older Sister of Miku Kenjou
• Ciel Kirahoshi Older Sister of Julio
• Ciel Kirahoshi Twin Sister of Julio