Primary

• Ayako Team Manager to Hisashi Mitsui
• Ayako Team Manager to Kiminobu Kogure
• Ayako Team Manager to Takenori Akagi
• Ayako Team Manager / Love interest to Ryota Miyagi

Extended

• Ryota Miyagi In love with Ayako
• Ryota Miyagi Teammate of Kiminobu Kogure
• Ryota Miyagi Teammate of Hisashi Mitsui
• Ryota Miyagi Teammate of Takenori Akagi
• Takenori Akagi Older Brother of Haruko Akagi
• Takenori Akagi Friend of Hisashi Mitsui
• Takenori Akagi Captain of Ryota Miyagi
• Takenori Akagi Friend of Kiminobu Kogure
• Kiminobu Kogure Friend of Takenori Akagi
• Kiminobu Kogure Friend of Hisashi Mitsui
• Hisashi Mitsui Friend of Kiminobu Kogure
• Hisashi Mitsui Friend of Takenori Akagi
• Hisashi Mitsui Teammate of Ryota Miyagi