Primary

• Takehiko Henmi Step-brother of Nanako Misono
• Takehiko Henmi Son of Nanako's father

Extended

• Nanako Misono Step-daughter of Nanako's father
• Nanako Misono Daughter of Nanako's mother
• Nanako Misono Step-sister of Takehiko Henmi
• Nanako Misono Best friend of Tomoko Arikura
• Nanako Misono Friend of Mariko Shinobu
• Nanako's father Step-father of Nanako Misono
• Nanako's father Husband of Nanako's mother
• Nanako's father Father of Takehiko Henmi