Primary

• Hinata Tachibana Girlfriend of Takemichi Hanagaki (teen)
• Hinata Tachibana Sister of Naoto Tachibana (adult)
• Hinata Tachibana Daughter of Ryoko Tachibana
• Hinata Tachibana Daughter of Masato Tachibana

Extended

• Naoto Tachibana (adult) Brother of Hinata Tachibana
• Naoto Tachibana (adult) Son of Ryoko Tachibana
• Naoto Tachibana (adult) Son of Masato Tachibana
• Takemichi Hanagaki (teen) Boyfriend of Hinata Tachibana
• Takemichi Hanagaki (teen) Childhood friend of Takuya Yamamoto
• Takemichi Hanagaki (teen) Cousin of Masaru
• Masato Tachibana Father of Naoto Tachibana (adult)
• Masato Tachibana Father of Hinata Tachibana
• Masato Tachibana Husband of Ryoko Tachibana
• Ryoko Tachibana Mother of Naoto Tachibana (adult)
• Ryoko Tachibana Mother of Hinata Tachibana
• Ryoko Tachibana Wife of Masato Tachibana