Oukoku no Kagi

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After the demise of the king and his eldest son, the kingdom of Landor finds itself without a ruler. Asta, as the last surviving member of the royal family, is next in line for the throne. However, before he can ascend to power, Asta must embark on a quest: to find the legendary "Key to the Kingdom". His journey is fraught with danger from ancient beasts and various rivals, including a princess, a dimwitted military captain, and a villainous aristocrat. While someone will indeed discover the Key, the question remains—will it be Asta? (Source: CMX) "Oukoku no Kagi" was published in English as "The Key to the Kingdom" by CMX Manga from September 19, 2007, to December 30, 2008.

Associated Names

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Japanese: 王国の鍵
English: The Key to the Kingdom

Official Webtoon

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Rating(3.5 / 5.0, 60 votes)
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Popular Reviews All reviews
  1. Unit29
    Unit29 rated it
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    Double date!
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  1. B0mbaCl0ckAUr
    B0mbaCl0ckAUr rated it
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    Peak Igaguri
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  1. AellaNova
    AellaNova rated it
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    God I love yuri ^_^
    0 0 Reply
  1. Azola200OyG
    Azola200OyG rated it
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    He’s slowly becoming a respectable human being and not degeneratesawman
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  1. ChiiYayako
    ChiiYayako rated it
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    Debby best girl
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  1. phoenix8888
    phoenix8888 rated it
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    Yes, lmao
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  1. Darkjin
    Darkjin rated it
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    i here i thought they already solved the issue after the mother appear
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  1. Betek
    Betek rated it
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    maan slaanesh gonna love this
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