Primary

• Jim Crocodile Cook Best friend of Austin O'Brien
• Jim Crocodile Cook Friend of Juudai Yuuki
• Jim Crocodile Cook Friend of Asuka Tenjouin
• Jim Crocodile Cook Friend of Tyranno Kenzan

Extended

• Asuka Tenjouin In love with Juudai Yuuki
• Asuka Tenjouin Younger Sister of Fubuki Tenjouin
• Asuka Tenjouin Friend of Ryou Marufuji
• Asuka Tenjouin Friend of Shou Marufuji
• Asuka Tenjouin Friend of Daichi Misawa
• Asuka Tenjouin Friend of Tyranno Kenzan
• Asuka Tenjouin Friend of Jun Manjoume
• Asuka Tenjouin Friend of Momoe Yamaguchi
• Asuka Tenjouin Friend of Jasmine
• Juudai Yuuki Friend of Asuka Tenjouin
• Juudai Yuuki Former Enemy of Yubel
• Juudai Yuuki Rival of Jun Manjoume
• Austin O'Brien Best friend of Jim Crocodile Cook
• Austin O'Brien Friend of Juudai Yuuki