Sannoumaru whose real name is Miguel is an adopted child of the Shigeru family. He's from Peru. He loved basketball very much, but didn't want to join any club due to personal reason. He also appears smart academically and pretty good in Kyuudo (archery) sport as well. He joined the Kyuudo club in high school. He appears distant and cold to his peers, but loving and caring to his family and closed friends.

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