Shuuichirou's grandfather. He lives overseas but visits Shuuichirou from time to time. When he met Kohaku for the first time, he assumed that Kohaku is Shuuichirou's girlfriend.
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Shuuichirou's grandfather. He lives overseas but visits Shuuichirou from time to time. When he met Kohaku for the first time, he assumed that Kohaku is Shuuichirou's girlfriend.
