"Dynamite Peach" centers on the life of Momoko, a high school girl with an extraordinary ability to generate explosive energy from her body, a power she struggles to control. The narrative begins with Momoko leading a seemingly ordinary life, but her world is upended when she accidentally triggers a massive explosion during a school festival. This incident draws the attention of a secret government agency tasked with monitoring individuals possessing supernatural abilities. Momoko is recruited into a covert program where she meets other teenagers with unique powers, each grappling with their own challenges and responsibilities.

The story explores Momoko’s journey as she learns to harness her abilities while navigating the complexities of adolescence. Her relationships with her peers, particularly with the stoic and disciplined Riku and the enigmatic and mischievous Aya, form a core part of the narrative. Together, they undertake missions to neutralize rogue individuals with dangerous powers, often uncovering deeper conspiracies tied to the origins of their abilities. The agency’s true motives remain ambiguous, creating tension as Momoko and her friends question whether they are being used as tools or protected as assets.

As the plot progresses, Momoko discovers that her powers are linked to a mysterious event from her childhood, involving a catastrophic incident that wiped out her hometown. This revelation forces her to confront her past and the ethical implications of her abilities. The series balances action-packed sequences with moments of introspection, delving into themes of identity, responsibility, and the moral dilemmas of wielding power. The dynamic between the characters evolves as they face increasingly high-stakes situations, testing their loyalty and resolve.

The antagonist, a shadowy figure known only as "The Architect," emerges as the mastermind behind the proliferation of superhuman abilities, seeking to exploit them for a grand, world-altering scheme. Momoko and her team must unravel the truth behind The Architect’s plans while grappling with their own personal struggles. The series concludes with a climactic confrontation that challenges Momoko to make a pivotal choice about her future and the fate of those around her. "Dynamite Peach" combines elements of action, mystery, and coming-of-age drama, offering a compelling exploration of power and its consequences.