"Midnight Occult Civil Servants" is a supernatural anime series set in modern-day Tokyo, where the boundary between the human world and the realm of supernatural beings, known as "Anothers," is maintained by a specialized government agency. The story centers on Miyako Arata, a young man assigned to the Nocturnal Community Relations Division, a branch of the Shinjuku Ward Office that handles interactions with Anothers. Despite his initial lack of knowledge about the supernatural, Arata possesses a unique ability: he can understand and communicate with Anothers in their own languages, a skill that proves invaluable in his new role.

The narrative unfolds as Arata and his colleagues, including the pragmatic Theo Himezuka and the enigmatic Kyoichi Sakaki, investigate various incidents involving Anothers. These cases range from resolving misunderstandings between humans and supernatural entities to preventing potential threats posed by malevolent Anothers. The series explores the coexistence of humans and Anothers, delving into themes of cultural differences, prejudice, and the challenges of maintaining harmony between two vastly different worlds.

Throughout the series, Arata encounters a diverse array of Anothers, including spirits, demons, and mythical creatures, each with their own motivations and struggles. His ability to bridge the gap between humans and Anothers often leads to unexpected alliances and revelations about the true nature of these beings. The plot gradually reveals deeper mysteries surrounding the origins of Anothers and their connection to human history, culminating in a climactic confrontation that tests Arata's resolve and understanding of both worlds.

The characters are defined by their distinct personalities and roles within the narrative. Arata's earnest and empathetic nature drives much of the story, while Theo's grounded perspective and Sakaki's enigmatic demeanor provide balance and depth to the team dynamics. The series also introduces recurring Anothers, such as the mischievous tengu Saku and the enigmatic angel Eins, who play significant roles in shaping the overarching plot.

"Midnight Occult Civil Servants" combines episodic storytelling with an overarching narrative, blending elements of mystery, fantasy, and urban folklore. The series maintains a focus on the complexities of coexistence and the importance of communication, offering a thought-provoking exploration of the supernatural within a contemporary setting.