Primary

• Shinichi Gomi former minion of Akito Hayama
• Shinichi Gomi Friend of Hisae Kamayai

Extended

• Akito Hayama Significant Other Sana Kurata
• Akito Hayama Younger Brother of Natsumi Hayama
• Akito Hayama Friend of Tsuyoshi Ohki
• Hisae Kamayai Friend of Aya Sugita
• Hisae Kamayai Friend of Sana Kurata
• Hisae Kamayai Friend of Mami Suzuki
• Hisae Kamayai Friend of Shinichi Gomi