Primary

• Yuuma Mikami Classmate of Akane Himemiya
• Yuuma Mikami Enemy of Asato Sawamura

Extended

• Akane Himemiya Childhood friend of Kyousuke Kamisaka
• Akane Himemiya Younger Sister of Ayumi Himemiya
• Akane Himemiya Employee of Ryuuji Sawamura
• Akane Himemiya Classmate of Yuuma Mikami
• Akane Himemiya Girlfriend of Asato Sawamura
• Akane Himemiya Tutor of Ryouta Sasaki
• Asato Sawamura Boyfriend of Akane Himemiya
• Asato Sawamura Friend of Ayumi Himemiya
• Asato Sawamura Nephew of Ryuuji Sawamura
• Asato Sawamura Enemy of Ryouta Sasaki
• Asato Sawamura Enemy of Yuuma Mikami
• Asato Sawamura Enemy of Kyousuke Kamisaka