A young spirit medium. Age 17, height 173cm. First person: I (boisterous, confident). Hair is a yellow and orange gradient, cut short. He became a medium to find the yokai that cursed his younger sister with illness. He travels with a tanuki and a fox as companions. He wears faux glasses that allow him to see yokai. He uses an umbrella imbued with the spiritual power of wind, as Tsukasa himself possesses no innate spiritual abilities. With his unique sense of style and lack of shame, he stands out significantly from a social perspective—a so-called eccentric. His wild antics often lead to misunderstandings, but while every gesture and word is exaggerated, he is fundamentally a very serious and sensitive person.

A young female spirit. After her death, she wanders this world searching for her younger sister. She wears a sailor-style school uniform. Age at death 17, height 168cm. First person: I (polite, feminine). Hair is pastel mint green, medium length. She is easygoing and somewhat airheaded. She also has an extreme lack of sense of direction and is completely hopeless with technology. She has a gentle, calm, and incredibly ditzy personality, rarely getting angry.

A young sorcerer. Age 17, height 182cm. First person: I (soft, polite). Hair is purple with streaks of light blue, kept slightly long. He is accompanied by many spirits such as "Chochin-obake," "Kyubi," and "Gashadokuro." He possesses the spiritual ability to let spirits possess his own body. He is both a genius and an eccentric. Quick-witted and highly knowledgeable in fields ranging from engineering to literature, his intellectual curiosity is boundless when it comes to his areas of interest.

A girl possessed by spirits. Age 17, height 162cm. First person: I (polite, reserved). Hair is deep purple, tied in a ponytail. The darkness in her heart attracted many evil spirits, leading to the awakening of her spiritual powers. Because so many spirits are swirling within her, the exact nature of her abilities is unknown. She suffers from alexithymia, making it difficult for her to identify or verbalize her emotions. Beyond just her feelings, she has also lost her sense of taste due to extreme stress.

A princess of the Oni clan. Age 16, height 159cm. First person: I (earnest, polite). Hair is brown, kept long. She has been with Toya since childhood. She possesses the spiritual ability to release healing waves from her hands. She has two reddish-black horns on her head. She wears a traditional junihitoe kimono. She is a bright, pure, and tireless hard worker, but she is also extremely unlucky and has somewhat low self-esteem. Her catchphrase is "More, more!"

A young man of the Oni clan. Age 16, height 176cm. First person: I (casual, blunt). Hair is split-colored, blue on the right and light blue on the left. His family has served the Oni daimyo for generations, and he has protected Minori since childhood. He has the spiritual ability to manipulate soulfire. He has two pale blue horns on his head. He is introverted and thoughtful, the type to overthink before acting. While often mistaken for being cold or unfriendly, he is actually just poor at expressing emotions and a man of few words—a serious, honest, and polite individual.

A young female yokai. Age 16, height 152cm. First person: I (energetic, cheerful). Hair is pink, cut into a bob. She dresses like a clown. She loves making people smile and possesses the spiritual ability to create illusions. Her catchphrase is "Wonderhoy!☆" and she is always high-energy. Constantly smiling, she lives by the philosophy of wanting as many people as possible to be happy.