Primary

• Meiko Honma Sister of Satoshi Honma
• Meiko Honma Daughter of Irene Honma
• Meiko Honma Daughter of Manabu Honma
• Meiko Honma Friend of Chiriko Tsurumi

Extended

• Satoshi Honma Brother of Meiko Honma
• Satoshi Honma Son of Irene Honma
• Satoshi Honma Son of Manabu Honma
• Manabu Honma Father of Meiko Honma
• Manabu Honma Father of Satoshi Honma
• Manabu Honma Husband of Irene Honma
• Irene Honma Mother of Meiko Honma
• Irene Honma Mother of Satoshi Honma
• Irene Honma Wife of Manabu Honma