Primary

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

Extended

• Kanae Kochou Older sister Kanao Tsuyuri
• Kanae Kochou Older Sister of Shinobu Kochou
• Mitsuri Kanroji Lover of Obanai Iguro