Primary

• Hajime Shinshiro Grandfather of Rin Shima
• Hajime Shinshiro Father of Saki Shima

Extended

• Rin Shima Granddaughter of Hajime Shinshiro
• Rin Shima Daughter of Saki Shima
• Rin Shima Friend of Nadeshiko Kagamihara
• Rin Shima Friend of Ena Saitou
• Saki Shima Mother of Rin Shima
• Saki Shima Daughter of Hajime Shinshiro