"Manga de Yomeru! Jūgo Shōnen Hyōryūki" is a manga adaptation of the classic survival novel "Jūgo Shōnen Hyōryūki" (Fifteen Boys Adrift) by Jules Verne, reimagined in a manga format. The story centers on a group of fifteen boys, aged between eight and fourteen, who find themselves stranded on a deserted island after their ship is sabotaged and set adrift during a storm. The boys, initially on a summer excursion, must rely on their wits, teamwork, and resourcefulness to survive in the harsh, unfamiliar environment.

The narrative begins with the boys boarding a ship for what is supposed to be a short educational voyage. However, their journey takes a dramatic turn when the crew mysteriously disappears, and the ship is left unmanned. A storm causes the vessel to drift off course, eventually crashing onto the shores of an uninhabited island. With no adults to guide them, the boys must quickly adapt to their new reality, organizing themselves to secure food, shelter, and safety.

Leadership dynamics emerge as a central theme, with the older boys taking on roles of responsibility while the younger ones contribute in their own ways. Conflicts arise over decision-making and resource allocation, reflecting the challenges of cooperation under extreme circumstances. The boys face numerous trials, including encounters with wild animals, harsh weather, and the psychological toll of isolation. Their survival hinges on their ability to innovate, such as building tools, creating fire, and mapping the island to understand its resources.

As the story progresses, the group uncovers clues about the island's history and the possibility of past human activity, adding an element of mystery to their struggle. The narrative explores themes of resilience, camaraderie, and the loss of innocence as the boys confront the realities of their situation. Their journey is marked by moments of triumph and despair, highlighting the complexities of human nature under duress.

The characters are diverse in personality and background, each contributing unique skills and perspectives to the group's survival efforts. The manga effectively balances individual character development with the overarching plot, ensuring that each boy's role feels integral to the story. The adaptation retains the spirit of Verne's original work while leveraging the visual storytelling strengths of manga to enhance the tension and emotional depth of the narrative.