Primary

• Ako Suminoe Twin Sister of Riko Suminoe
• Ako Suminoe In love with Keita Suminoe
• Ako Suminoe Step-sister of Keita Suminoe

Extended

• Riko Suminoe Twin Sister of Ako Suminoe
• Riko Suminoe In love with Keita Suminoe
• Riko Suminoe Step-sister of Keita Suminoe
• Keita Suminoe Boyfriend of Yuzuki Kiryuu