Primary

• Kanae Kochou Older sister Kanao Tsuyuri
• Kanae Kochou Older Sister of Shinobu Kochou

Extended

• Shinobu Kochou Younger sister of Kanae Kochou
• Shinobu Kochou Older sister of Kanao Tsuyuri
• Shinobu Kochou Best friend of Mitsuri Kanroji