Nana Takenouchi, a photographer and student, possesses innate spiritual medium abilities that draw spirits to her and enable communication with them. Her appearance features medium-length brown hair often tied up, paired with a school uniform of a white shirt, blue skirt, knee-length socks, and brown shoes. Growing up, she shared a close bond with her father, a photographer who later fabricated ghost images for income. A heated disagreement over her choice to document a robbery triggered his fatal heart attack. His spirit subsequently haunted her through her photographs until Muhyo and Roji intervened, identifying and exorcising him to the River Styx, which helped her find closure. After resolving her father’s haunting, she became a frequent client of Muhyo and Roji, fostering a sisterly rapport with the duo. Though initially unaware of her spiritual potential, her abilities gradually surfaced. One encounter saw her unintentionally amplifying a supernatural game’s danger. Later, during a construction site case, she harnessed her emerging powers under Muhyo’s direction to reunite a spirit with its daughter, softening the spirit’s punishment. Her photography career thrives, anchored by her 1990 Polaroid Spectra PRO camera with a close-up lens—a keepsake tying her to her past. She relishes Roji’s tea, seizing meaningful photographic moments, and visiting hot springs, but disdains inactivity. Skilled in swift photography and covert camera positioning, she also customizes her lingerie. Exposure to magical cities and practitioners of supernatural law hints at deeper potential. A scene in the series’ second season opening teases her in a combat-ready stance alongside a fairy-like entity, hinting at latent abilities yet to be fully revealed. Though untrained formally, her journey from client to collaborator showcases her growing command over spiritual talents, positioning her as an evolving force within supernatural investigations.