Sai

    From Hokuto no Ken Encyclopedia | HnKWiki
    Sai

    Sai, as he appears in Rei Gaiden.
    Name in Kanji サイ
    Name in Romaji Sai
    Family Mari (younger sister)
    Position(s) Orphan boy
    Appearances Rei Gaiden
    Sai (サイ, Sai)
    Appearing in the first Rei Gaiden one-shot, Sai is a young boy whose parents were killed by bandits. They also kidnapped his little sister, Mari. He meets Rei on his journey for revenge but collapses due to injury. Sympathizing with the boy, Rei takes revenge for him and reunites him with his sister.