"Enman Kaiketsu! Enma-chan" is a comedic anime series that revolves around the adventures of Enma-chan, a young girl who is the daughter of the Great King Enma, the ruler of the underworld. Tasked with maintaining balance between the human world and the underworld, Enma-chan is sent to Earth to solve supernatural problems caused by mischievous spirits and demons. Despite her small stature and childlike appearance, she wields immense power and authority, often using her signature weapon, the Enma Hammer, to dispense justice.

The series is episodic, with each episode featuring Enma-chan and her companions tackling a new case involving spirits or demons causing trouble in the human world. These cases range from minor nuisances to more serious threats, often blending humor with lighthearted action. Enma-chan is accompanied by her loyal assistants, including a talking cat named Kon-chan and a human boy named Taro, who often finds himself caught up in her supernatural escapades. Together, they navigate the quirky challenges posed by the underworld's inhabitants, often leading to comedic misunderstandings and chaotic situations.

The narrative frequently explores themes of responsibility, justice, and the coexistence of humans and supernatural beings. Enma-chan's dual role as a powerful underworld figure and a relatable, sometimes naive child creates a dynamic contrast that drives much of the humor and charm of the series. The episodic structure allows for a variety of creative scenarios, showcasing different aspects of the underworld and its inhabitants while maintaining a consistent tone of lighthearted fun. The series balances its supernatural elements with relatable human experiences, making it accessible to a wide audience.