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    Cover of The Strongest Gatekeeper of the Demon King’s Castle
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    The Strongest Gatekeeper of the Demon King’s Castle

    by fnovelpia

    There is a story that has only been heard in rumors.

    Countless heroes have drawn their swords and set out for the Demon King’s castle in order to defeat him, but none were ever able to slay the Demon King.

    Some say they couldn’t even set foot in the castle.

    The bodies of those who returned as cold corpses bore a single word, written in what was believed to be the ancient language of the demons.

    [Return] -Destination Error-

     

    Many wizards of the Magic Tower racked their brains to decipher the meaning of the word…

    But no one could figure out what the word on the bodies truly meant.

    1. Chapter 0: The Strongest Gatekeeper of the Demon King’s Castle
      488 Words
    2. Chapter 1: The Demon King and the Guard
      1,817 Words
    3. Chapter 2: I don’t know either
      2,051 Words
    4. Chapter 3: The vocation is a security guard
      1,570 Words
    5. Chapter 4: Village in the Demon Realm?
      1,658 Words
    7. Chapter 5: Something weaker than a slime
      1,821 Words
    8. Chapter 6: Humans or Demons
      1,785 Words
    9. Chapter 7: Be careful when adjusting the force
      2,162 Words
    10. Chapter 8: Let’s guess who will win
      2,047 Words
    11. Chapter 9: A Wise Hobby Life
      1,775 Words
    12. Chapter 10: Daily Life in the Demon Realm
      1,818 Words
    13. Chapter 11: I like it even better
      1,830 Words
    14. Chapter 12: From an outsider’s perspective
      1,884 Words
    15. Chapter 13: The Fruit of a Drinker
      1,803 Words
    16. Chapter 14: Truth or a Well-Intentioned Lie
      1,753 Words
    17. Chapter 15: Hunters
      1,732 Words
    18. Chapter 16: The reward of effort
      1,710 Words
    19. Chapter 17: Dark Elf’s Choice
      1,651 Words
    20. Chapter 18: An unmistakable human
      1,598 Words
    21. Chapter 19: Regarding this other race
      1,580 Words
    22. Chapter 20: Little pastime
      1,750 Words
    23. Chapter 21: Ugh, Trash
      2,189 Words
    24. Chapter 22: Somehow, I became a monster
      1,684 Words
    25. Chapter 23: The Ecosystem of the Demon Realm
      2,038 Words
    26. Chapter 24: The essence of romance itself
      1,768 Words
    27. Chapter 25: Air raid warning
      1,776 Words
    28. Chapter 26: Is it a dream?
      1,732 Words
    29. Chapter 27: Normalization of the Demon Realm
      2,016 Words
    30. Chapter 28: Slave and Master
      1,830 Words
    31. Chapter 29: A Vibrant Flower Field
      1,568 Words
    32. Chapter 30: Ordinary Lady
      1,743 Words
    33. Chapter 31: The Sensation Was Heavy And Chilly
      1,628 Words
    34. Chapter 32: How to Comfort a Depressed Demon King
      2,231 Words
    35. Chapter 33: Dragon Rider
      1,698 Words
    36. Chapter 34: The unnamed
      1,849 Words
    37. Chapter 35: All Heroes Are Lunatics
      2,081 Words
    38. Chapter 36: How to Obtain Necessary Items
      1,737 Words
    39. Chapter 37: Mirror therapy
      1,749 Words
    40. Chapter 38: Guardian of Balance
      2,116 Words
    41. Chapter 39: Trustworthy
      1,788 Words
    42. Chapter 40: Lord of the Demon Realm
      1,790 Words
    43. Chapter 41: Two Suns
      1,831 Words
    Ongoing July 17, 2025Jul 17, '25 75.2 K Everyone
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