"Tactics" is a supernatural anime series that blends elements of folklore, mystery, and action. The story centers around Kantarou Ichinomiya, a young folklorist who specializes in researching and exorcising supernatural beings, particularly yokai, or Japanese spirits. Kantarou possesses a unique ability to see and communicate with these creatures, which he uses to solve supernatural cases and help those affected by yokai-related disturbances. His life takes a significant turn when he encounters Haruka, a powerful and enigmatic demon-eating tengu sealed within a shrine. After freeing Haruka, Kantarou forms a contract with him, binding the tengu to his service in exchange for protection and companionship.

Haruka, though initially reluctant, becomes Kantarou's loyal guardian and partner in his supernatural investigations. The duo is often accompanied by Yoko, a fox spirit who serves as Kantarou's childhood friend and occasional assistant, and Suzu, a young girl who becomes entangled in their adventures. Together, they navigate a world where humans and yokai coexist, often uncovering hidden truths about both realms. The series explores various episodic cases involving yokai, ranging from mischievous spirits causing minor disturbances to malevolent entities threatening lives. Each case delves into the complexities of human emotions and the moral ambiguities surrounding the interactions between humans and yokai.

As the narrative progresses, deeper layers of the characters' pasts are revealed. Haruka's origins as a demon-eating tengu and his connection to Kantarou's family history come to light, adding emotional weight to their partnership. Kantarou's cheerful and carefree demeanor contrasts with his underlying loneliness and desire for genuine connections, while Haruka's stoic and aloof exterior hides a sense of vulnerability and longing for purpose. The series balances its episodic structure with an overarching plot that gradually unfolds, culminating in a confrontation with a powerful antagonist tied to both Kantarou and Haruka's fates.

Themes of trust, loyalty, and the coexistence of different worlds are central to the story. The interactions between Kantarou and Haruka, as well as their relationships with other characters, drive the emotional core of the series. While the tone often leans toward lightheartedness and humor, it also incorporates moments of tension and introspection, particularly when addressing the darker aspects of yokai lore and the consequences of human actions. "Tactics" offers a blend of supernatural intrigue, character-driven drama, and folklore-inspired storytelling, making it a distinctive entry in the genre.