Primary

• Akira Kitayama In love with Mitsuko Yamaoka
• Akira Kitayama Friend of Yuzuki Mikage

Extended

• Yuzuki Mikage Student of Moriya-Sensei
• Yuzuki Mikage Friend of Akie Takasugi
• Yuzuki Mikage Friend of Nozomi Bitou
• Yuzuki Mikage Friend of Sora Egami
• Yuzuki Mikage Friend of Tamayo Shiina
• Yuzuki Mikage Former student of Hideto Tange
• Yuzuki Mikage Friend of Itsuko Hiraishi
• Yuzuki Mikage Friend of Mioi Hatsumi
• Yuzuki Mikage Friend of Akira Kitayama
• Yuzuki Mikage Daughter of Kazuhiko Mikage
• Yuzuki Mikage Daughter of Sayoko Mikage
• Mitsuko Yamaoka Wife of Seiji Yamaoka