"Gokudo" centers on a brash and self-centered adventurer named Gokudo, who seeks wealth and power above all else. The narrative begins with Gokudo stumbling upon a magical staff that grants him immense power but also binds him to a contract with the staff's spirit, a mysterious and powerful entity named Rubette. This partnership forces Gokudo into a series of perilous quests, often against his will, as Rubette manipulates events to achieve her own hidden agenda.

The story unfolds across a fantastical world filled with magic, mythical creatures, and warring factions. Gokudo's journey is marked by encounters with a diverse cast of characters, including allies and adversaries who shape his path. Among them is Prince Jinnai, a cunning and ambitious ruler who becomes a recurring antagonist, and Zaj, a loyal but dim-witted companion who provides comic relief. The dynamic between Gokudo and Rubette is central to the plot, as their conflicting motivations drive much of the tension and humor in the series.

As the narrative progresses, Gokudo's selfish nature is repeatedly challenged by the consequences of his actions and the relationships he forms. The series explores themes of greed, redemption, and the complexities of human ambition, often through episodic adventures that gradually build toward a larger, overarching conflict. The world-building is expansive, with various kingdoms, magical artifacts, and political intrigues adding depth to the setting.

The tone of "Gokudo" balances action, comedy, and drama, with Gokudo's irreverent personality serving as a counterpoint to the more serious elements of the story. The series does not shy away from darker themes, including betrayal and moral ambiguity, but maintains a lighthearted approach through its humor and character interactions. The interplay between Gokudo's relentless pursuit of personal gain and the unexpected bonds he forms creates a compelling narrative that keeps the audience engaged throughout its run.