Primary

• Ren Tsuruga Love interest of Kyoko Mogami
• Ren Tsuruga Best friend of Yukihito Yashiro
• Ren Tsuruga Enemy of Sho Fuwa

Extended

• Kyoko Mogami Best friend of Kanae Kotonami
• Kyoko Mogami Enemy of Sho Fuwa
• Kyoko Mogami Love interest of Ren Tsuruga
• Kyoko Mogami Friend of Maria Takarada
• Kyoko Mogami Friend of Yukihito Yashiro
• Sho Fuwa Childhood friend of Kyoko Mogami
• Sho Fuwa Enemy of Ren Tsuruga
• Yukihito Yashiro Best friend of Ren Tsuruga