"Juden Chan" is a 12-episode anime series that blends elements of comedy, action, and science fiction. The story is set in a world where energy shortages have become a critical issue, prompting the development of a new energy source called Linker. Linker is harnessed from the emotions of young girls, who are recruited as "Juden Girls" to combat energy-based threats known as ToQgers. These ToQgers are manifestations of negative emotions that disrupt the energy balance and threaten society.

The protagonist, Rein Kurahashi, is a cheerful and determined high school girl who becomes a Juden Girl after encountering a mysterious organization known as the JPS (Juden Power Society). Rein is chosen to wield the power of Juden Chan, a transformation that allows her to fight ToQgers using her emotional energy. Alongside her are other Juden Girls, each representing different emotional traits such as anger, sadness, and joy. Together, they form a team tasked with protecting the world from the chaotic energy of ToQgers.

The series explores the dynamics between the Juden Girls as they navigate their personal struggles while balancing their duties as energy warriors. Rein, in particular, grapples with the responsibility of her newfound powers and the pressure to maintain a positive emotional state to effectively combat ToQgers. The narrative delves into themes of emotional resilience, teamwork, and the ethical implications of harnessing human emotions as an energy source.

As the story progresses, the Juden Girls face increasingly powerful ToQgers, each representing deeper and more complex emotional conflicts. The series also introduces antagonists who seek to exploit the Linker energy for their own gain, adding layers of conflict and moral ambiguity. The climax involves a confrontation with a formidable ToQger that challenges the Juden Girls to confront their own emotional vulnerabilities and unite their strengths to restore balance.

The characters are designed to reflect a range of personalities and emotional states, with Rein serving as the optimistic and determined leader. Her interactions with the other Juden Girls highlight the importance of emotional diversity and cooperation. The series maintains a balance between lighthearted moments and intense action sequences, creating a narrative that is both engaging and thought-provoking.