Primary

• Ryo Asuka Friend of Akira Fudo

Extended

• Akira Fudo Friend of Ryo Asuka
• Akira Fudo In love with Miki Makimura
• Akira Fudo Teammate of Miko Kuroda
• Akira Fudo Teammate of Miki Makimura
• Akira Fudo Enemy of Satan
• Akira Fudo Son of Reijiro Fudo
• Akira Fudo Son of Kaori Fudo
• Akira Fudo Enemy of Jinmen
• Akira Fudo Enemy of Zennon
• Akira Fudo Childhood friend of Miki Makimura