"Tokyo Babylon 2" is a continuation of the supernatural and urban fantasy narrative established in the original "Tokyo Babylon" series. The story revolves around Subaru Sumeragi, a young onmyōji (a practitioner of Japanese esoteric cosmology) who works as a spiritual consultant in Tokyo. Subaru is the 13th head of the Sumeragi clan, a prestigious family of onmyōji, and is often accompanied by his twin sister, Hokuto, who provides emotional support and assists him in his cases. The series delves into Subaru's interactions with various clients, each facing supernatural disturbances tied to their personal struggles, societal issues, or unresolved emotions.

The narrative explores Subaru's complex relationship with Seishirō Sakurazuka, a mysterious and enigmatic figure who is also an onmyōji. Seishirō's intentions remain ambiguous, as he alternates between assisting Subaru and engaging in morally questionable actions. Their dynamic is central to the story, with underlying themes of trust, betrayal, and the blurred lines between good and evil. Hokuto, meanwhile, serves as a grounding force, often injecting humor and warmth into the otherwise somber tone of the series.

The cases Subaru takes on often reflect deeper societal issues, such as corporate greed, environmental degradation, and the consequences of human ambition. These supernatural disturbances are frequently manifestations of human emotions like guilt, regret, or anger, emphasizing the interconnectedness of the spiritual and physical worlds. Subaru's empathetic nature drives him to resolve these conflicts, even at great personal cost, highlighting his dedication to his role as a protector of balance.

The series maintains a balance between episodic storytelling and an overarching narrative, with each case contributing to the development of the main characters and their relationships. The tone is often melancholic, with moments of levity provided by Hokuto's antics. The interplay between Subaru's idealism and Seishirō's pragmatism creates tension, as their differing philosophies on life and death come into conflict.

"Tokyo Babylon 2" builds on the foundation of its predecessor, deepening the exploration of its characters and themes while maintaining a focus on the supernatural and the human condition. The series is notable for its intricate character dynamics, thought-provoking storytelling, and its ability to weave personal and societal issues into its supernatural framework.