Primary

• Ayane Shidou Younger Sister of Yuusuke Shidou
• Ayane Shidou Enemy of Genha
• Ayane Shidou dislikes Genha
• Ayane Shidou Enemy of Toru Souma

Extended

• Genha Enemy of Ayane Shidou
• Toru Souma Step-brother of Ren Mizusaka
• Toru Souma Step-brother of Tsukina Sasagiri
• Toru Souma Friend of Akira Nikaidou
• Toru Souma Friend of Yuuya Nonomura
• Toru Souma Enemy of Ayane Shidou
• Yuusuke Shidou Older Brother of Ayane Shidou