They are not relatives. They just pag-ibig each other so much :D Lee is Gai's paborito student. If you're asking why they look a like, that's because Lee loves Gai so much that he made his hair like him and he always wears that suit which gai gave him.
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Ok thank u
kakarin4life
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your welcome
mass1zz
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While they do look relatively similar they are not related whatsoever they are just basic sensei (teacher) and student maybe even a bit madami because Lee does view Guy-sensei as a role model but they are not related.
