Primary

• Taichi Asamura Father of Yuuta Asamura
• Taichi Asamura Husband of Akiko Ayase
• Taichi Asamura Step-father of Saki Ayase

Extended

• Yuuta Asamura Son of Taichi Asamura
• Yuuta Asamura Step-son of Akiko Ayase
• Yuuta Asamura Step-brother of Saki Ayase
• Saki Ayase Daughter of Akiko Ayase
• Saki Ayase Step-daughter of Taichi Asamura
• Saki Ayase Step-sister of Yuuta Asamura
• Akiko Ayase Mother of Saki Ayase
• Akiko Ayase Wife of Taichi Asamura
• Akiko Ayase Step-mother of Yuuta Asamura