"Nouvelle Fantasia Gulliverboy" is a fantasy anime series that blends elements of adventure, science fiction, and coming-of-age themes. The story centers around Gulliver, a young boy who discovers he possesses a unique ability to shrink to a minuscule size, a power tied to his mysterious origins. This ability becomes pivotal as he embarks on a journey to uncover the truth about his past and the fate of his parents, who vanished under enigmatic circumstances.

The narrative unfolds in a world where advanced technology coexists with ancient legends. Gulliver’s quest leads him to encounter a diverse cast of characters, including allies and adversaries, each with their own motivations and connections to the overarching mystery. Among them is a group of rebels fighting against a tyrannical empire that seeks to exploit ancient artifacts known as "Fantasia," which hold immense power and are linked to Gulliver’s abilities. As Gulliver delves deeper into the secrets of the Fantasia, he learns of their potential to reshape the world, for better or worse.

The series explores themes of identity, responsibility, and the consequences of wielding power. Gulliver’s journey is marked by personal growth as he grapples with the weight of his abilities and the moral dilemmas they present. The plot is driven by a series of interconnected arcs, each revealing more about the world’s history, the nature of the Fantasia, and the true intentions of the empire. The climax builds toward a confrontation that will determine the fate of both Gulliver and the world he inhabits.

The characters are defined by their relationships and evolving dynamics. Gulliver’s interactions with his companions, such as the resourceful and determined Lita and the enigmatic warrior Kain, highlight themes of trust and camaraderie. Antagonists, including the empire’s ruthless leaders, provide a counterpoint to Gulliver’s idealism, creating a narrative tension that underscores the stakes of his journey. The series balances action-packed sequences with moments of introspection, ensuring a well-rounded exploration of its central themes and characters.