Primary

• Kenji Nakanishi Friend of Yamato Kurosawa
• Kenji Nakanishi Boyfriend of Asami Oikawa
• Kenji Nakanishi Friend of Masashi Tachikawa

Extended

• Yamato Kurosawa boyfriend of Mei Tachibana
• Yamato Kurosawa Friend of Kenji Nakanishi
• Yamato Kurosawa Younger Brother of Daichi Kurosawa
• Yamato Kurosawa Friend of Masashi Tachikawa
• Yamato Kurosawa Friend of Kai Takemura
• Asami Oikawa Girlfriend of Kenji Nakanishi
• Asami Oikawa Friend of Aiko Mutou
• Asami Oikawa Friend of Mei Tachibana
• Masashi Tachikawa Boyfriend of Aiko Mutou
• Masashi Tachikawa Friend of Yamato Kurosawa
• Masashi Tachikawa Friend of Kenji Nakanishi