Primary

• Kyouko Toshinou In love with Chinatsu Yoshikawa
• Kyouko Toshinou Best friend of Yui Funami
• Kyouko Toshinou Friend of Akari Akaza
• Kyouko Toshinou Friend of Ayano Sugiura
• Kyouko Toshinou Friend of Sakurako Oomuro
• Kyouko Toshinou Friend of Chitose Ikeda

Extended

• Akari Akaza Younger Sister of Akane Akaza
• Yui Funami Cousin of Mari Funami
• Chinatsu Yoshikawa Younger Sister of Tomoko Yoshikawa
• Chinatsu Yoshikawa In love with Yui Funami
• Chitose Ikeda Twin Sister of Chizuru Ikeda
• Ayano Sugiura In love with Kyouko Toshinou