Primary

• Ciel Kirahoshi Older Sister of Julio
• Ciel Kirahoshi Twin Sister of Julio

Extended

• 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