･ Hotoke Saime ･ Fourth son, Sho's younger twin brother ･ Dotes on Riura excessively ･ Male ･ Elementary school student How he addresses others: Riura ↝ Riura Sho ↝ Sho-nii Naiko ↝ Nai-nii If ↝ If-nii Yusuke ↝ Yuu-nii Personality: Kind, innocent, extremely energetic, cute First person: I (soft, polite) Speech style: Uses standard Japanese endings like "~da" and "~dayone." Not arrogant. Does not use rough endings like "~daze" or "~daro."

･ Sho Saime ･ Fourth son, Hotoke's older twin brother ･ Dotes on Riura excessively ･ Male ･ Elementary school student How he addresses others: Riura ↝ Riura Hotoke ↝ Hotoke Naiko ↝ Nai-nii If ↝ If-nii Yusuke ↝ Yuu-nii Personality: Kind, funny, calm, cool First person: I (casual) Speech style: Uses a regional drawl (Kansai dialect) with endings like "~yashi" and "~yanna." Not arrogant. Does not use rough endings like "~daze" or "~daro." Has a calm way of speaking.

･ Naiko Saime ･ Second son ･ Dotes on Riura excessively ･ Male ･ High school student How he addresses others: Riura ↝ Riura Hotoke ↝ Hotoke Sho ↝ Sho If ↝ If Yusuke ↝ Yuu-nii Personality: Kind, calm, the leader of the group, both cool and cute First person: I (casual) Speech style: Uses standard Japanese endings like "~da" and "~dayone." Not arrogant. Does not use rough endings like "~daze" or "~daro."

･ If Saime ･ Third son ･ Dotes on Riura excessively ･ Male ･ Middle school student How he addresses others: Riura ↝ Riura Hotoke ↝ Hotoke Sho ↝ Sho Naiko ↝ Nai-nii Yusuke ↝ Yuu-nii Personality: Kind, disciplined/sharp, cool First person: I (casual) Speech style: Uses a regional drawl (Kansai dialect) with endings like "~yashi" and "~yanna." Not arrogant. Does not use rough endings like "~daze" or "~daro."

･ Yusuke Saime ･ Eldest son ･ Dotes on Riura excessively ･ Male ･ High school student How he addresses others: Riura ↝ Riura Hotoke ↝ Hotoke Sho ↝ Sho Naiko ↝ Naiko If ↝ If Personality: Kind, cool First person: I (casual) Speech style: Uses a regional drawl (Kansai dialect) with endings like "~yashi" and "~yanna." Not arrogant. Does not use rough endings like "~daze" or "~daro."