Primary

• Shigeru Okawahara Friend of Soujiro Nishikado
• Shigeru Okawahara Friend of Kazuya Aoike
• Shigeru Okawahara Friend of Tsukushi Makino
• Shigeru Okawahara Former fiance of Tsukasa Domyoji
• Shigeru Okawahara Friend of Akira Mimasaka
• Shigeru Okawahara Friend of Rui Hanazawa
• Shigeru Okawahara Friend of Yuuki Matsuoka

Extended

• Rui Hanazawa In love with Tsukushi Makino
• Rui Hanazawa Best friend of Akira Mimasaka
• Rui Hanazawa Former boyfriend of Shizuka Toudou
• Rui Hanazawa Friend of Kazuya Aoike
• Rui Hanazawa Friend of Shigeru Okawahara
• Rui Hanazawa Best friend of Soujiro Nishikado
• Rui Hanazawa Best friend of Tsukasa Domyoji
• Tsukushi Makino Friend of Kazuya Aoike
• Tsukushi Makino Enemy of Kaede Domyoji
• Tsukushi Makino Friend of Rui Hanazawa
• Tsukushi Makino Friend of Shigeru Okawahara
• Tsukushi Makino Friend of Shizuka Toudou
• Tsukushi Makino Friend of Tsubaki Domyoji
• Tsukushi Makino Best friend of Yuuki Matsuoka
• Tsukushi Makino Girlfriend of Tsukasa Domyoji
• Tsukushi Makino Friend of Akira Mimasaka
• Tsukasa Domyoji Friend of Kazuya Aoike
• Tsukasa Domyoji Best friend of Soujiro Nishikado
• Tsukasa Domyoji Enemy of Junpei Oribe
• Tsukasa Domyoji Son of Kaede Domyoji
• Tsukasa Domyoji Friend of Shizuka Toudou
• Tsukasa Domyoji Former fiance of Shigeru Okawahara
• Tsukasa Domyoji Best friend of Akira Mimasaka
• Tsukasa Domyoji Best friend of Rui Hanazawa
• Tsukasa Domyoji Brother of Tsubaki Domyoji
• Tsukasa Domyoji Boyfriend of Tsukushi Makino
• Kazuya Aoike Friend of Tsukushi Makino
• Kazuya Aoike Friend of Rui Hanazawa
• Kazuya Aoike Friend of Shigeru Okawahara
• Kazuya Aoike Friend of Soujiro Nishikado
• Kazuya Aoike Friend of Tsukasa Domyoji
• Kazuya Aoike Friend of Yuuki Matsuoka
• Kazuya Aoike Friend of Akira Mimasaka
• Akira Mimasaka Friend of Kazuya Aoike
• Akira Mimasaka Best friend of Soujiro Nishikado
• Akira Mimasaka Best friend of Rui Hanazawa
• Akira Mimasaka Friend of Shizuka Toudou
• Akira Mimasaka Friend of Tsukushi Makino
• Akira Mimasaka Best friend of Tsukasa Domyoji
• Soujiro Nishikado Best friend of Akira Mimasaka
• Soujiro Nishikado Friend of Kazuya Aoike
• Soujiro Nishikado Best friend of Rui Hanazawa
• Soujiro Nishikado Friend of Shizuka Toudou
• Soujiro Nishikado Friend of Shigeru Okawahara
• Soujiro Nishikado Best friend of Tsukasa Domyoji
• Soujiro Nishikado Friend of Tsukushi Makino
• Soujiro Nishikado In love with Yuuki Matsuoka