Sugoroku Mutou Relations Graph
Primary
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Sugoroku Mutou Grandfather of Yuugi Mutou
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Sugoroku Mutou Friend of Arthur Hawkins
Extended
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Yuugi Mutou Grandson of Sugoroku Mutou
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Yuugi Mutou Best friend of Katsuya Jonouchi
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Yuugi Mutou Friend of Hiroto Honda
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Yuugi Mutou Friend of Anzu Mazaki
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Arthur Hawkins Grandfather of Rebecca Hawkins
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Arthur Hawkins Friend of Sugoroku Mutou