"Mayonaka no Occult Kōmuin" (Midnight Occult Civil Servants) is a supernatural manga series written and illustrated by Yoko Tamotsu. The story centers on Arata Miyako, a young man who joins the Nocturnal Community Relations Division, a specialized branch of the Tokyo Metropolitan Government tasked with handling issues involving supernatural entities known as "Anothers." These beings, which include yokai, spirits, and other mythical creatures, coexist with humans but often require mediation to prevent conflicts.

Arata, despite being an ordinary human, possesses a unique ability to understand and communicate with Anothers, a skill that proves invaluable in his new role. His team includes Kyoichi Sakaki, a pragmatic and experienced officer, and Theo Himezuka, a reserved and knowledgeable colleague with a deep understanding of Anothers. Together, they navigate the complexities of maintaining harmony between humans and the supernatural world.

The narrative unfolds through episodic cases, each involving different Anothers with their own histories, motivations, and challenges. Arata's empathetic approach often leads to peaceful resolutions, contrasting with the more confrontational methods employed by others in the division. Over time, the series delves into the broader implications of the coexistence between humans and Anothers, exploring themes of cultural preservation, mutual understanding, and the consequences of ignorance and prejudice.

Key recurring characters include Senda, a tengu who serves as an informant, and Zen, a powerful and enigmatic Another with a mysterious connection to Arata. As the story progresses, Arata uncovers deeper layers of the supernatural world, including ancient conflicts and hidden truths about the origins of Anothers. The series balances its episodic structure with an overarching plot that gradually reveals the complexities of the supernatural realm and Arata's growing role within it.

"Mayonaka no Occult Kōmuin" combines elements of urban fantasy, folklore, and bureaucratic humor, offering a fresh take on the interactions between humans and mythical beings. Its focus on communication and empathy as tools for conflict resolution sets it apart from more action-oriented supernatural series, making it a distinctive entry in the genre.