Primary

• Nana Ebisumori Older sister of Kaya's Mama
• Nana Ebisumori Aunt of Kaya-chan
• Nana Ebisumori Daughter of Mutsu Ebisumori

Extended

• Kaya-chan Daughter of Kaya's Mama
• Kaya-chan Daughter of Kaya's Papa
• Kaya-chan Niece of Nana Ebisumori
• Kaya-chan Granddaughter of Mutsu Ebisumori
• Kaya's Mama Mother of Kaya-chan
• Kaya's Mama Wife of Kaya's Papa
• Kaya's Mama Younger sister of Nana Ebisumori
• Kaya's Mama Daughter of Mutsu Ebisumori
• Mutsu Ebisumori Mother of Kaya's Mama
• Mutsu Ebisumori Mother of Nana Ebisumori
• Mutsu Ebisumori Grandmother of Kaya-chan