Primary

• Tsukuyo Aoba Younger Sister of Yuzuki Aoba
• Tsukuyo Aoba Older sister of Kurage Aoba

Extended

• Yuzuki Aoba Older sister of Tsukuyo Aoba
• Yuzuki Aoba Older sister of Kurage Aoba
• Kurage Aoba Younger Sister of Yuzuki Aoba
• Kurage Aoba Younger Sister of Tsukuyo Aoba
• Kurage Aoba Owner of Nyagosuke