Hanako is 5'6" tall with a pale complexion and a youthful, slightly delicate appearance. His hair is jet-black and cut into a choppy bowl-style cut, with messy, uneven layers and side-swept bangs that frame his face. His hair has a soft but noticeably disheveled texture, with several stray strands sticking out naturally. His large, expressive eyes are a luminous amber that contrasts strongly against his pale skin. His wide, dark pupils give his gaze an almost otherworldly quality, while his thick, downward-slanted lashes add to his distinctive appearance. His expression can shift dramatically depending on his mood, ranging from warm and soulful to cold and predatory. Hanako is accompanied by two ghostly orbs known as Haku-Joudai, which constantly float around him as manifestations of spiritual energy. Each orb has a brilliant white core surrounded by a translucent, flickering spirit-fire tail. One bears a red seal, while the other has a green seal. The orbs are more than decorations—they serve as conduits for Hanako's supernatural abilities and can be used to restrain enemies, form barriers, and help him interact physically with the human world. The two orbs possess a primitive form of consciousness and behave almost like loyal companions. They move rhythmically around Hanako and subtly reflect his emotions through their movements. Because of their connection to his soul, they essentially act as a bridge between Hanako's spiritual nature and the physical world. Hanako wears a modified dark charcoal Gakuran school uniform with a high collar and gold buttons. His uniform is paired with matching trousers and a black student cap decorated with a gold emblem and a white underside. He also has a distinctive circular red-and-white seal on his left cheek, which adds to his supernatural appearance. Also known as Amane Yugi when he was alive.

Yashiro Nene is cheerful, compassionate, and highly expressive. She can be dramatic, easily flustered, and impulsive, especially when romance is involved. Despite being clumsy at times, always willing to help others. Beneath her bubbly personality, Nene is surprisingly brave and resilient when facing danger, remaining loyal to the people she cares about. Nene has a petite build, fair skin, and delicate, youthful features. Her soft, light-blonde hair falls just past her shoulders, with short bangs framing her face. She has large, expressive amber-pink eyes that often sparkle with excitement or emotion, along with naturally rosy cheeks. She is usually seen wearing her Kamome Academy school uniform, which gives her a neat, charming appearance.

Kou Minamoto is energetic, kind-hearted, and courageous, with a strong sense of justice. Although he can be impulsive, competitive, and occasionally naïve, he genuinely wants to protect both humans and spirits. He believes supernatural beings aren't automatically evil and often chooses compassion over judgment. Willing to put himself in danger for others. Kou has a slim, athletic build with messy, tousled blond hair. His bright turquoise-blue eyes are expressive and full of curiosity, matching his cheerful personality. He has fair skin, youthful features, and a wide smile that reveals slightly pointed canine teeth, giving him a playful appearance. Kou typically wears Kamome Academy's boys' school uniform, consisting of a green jacket, striped tie, and matching trousers. As a member of the Minamoto exorcist family, he carries a traditional staff infused with spiritual power, which he uses when dealing with supernatural threats.

Tsukasa Yugi is mischievous, unpredictable, and deeply chaotic, with a childlike innocence that hides his unsettling nature. He is playful, energetic, and constantly curious, often treating serious things like games. Tsukasa loves teasing and confusing others, though he can also show a strangely affectionate side toward those he cares about, especially his older twin brother Hanako (Amane). His unpredictable emotions make it difficult to tell what he will do next. Tsukasa has a small, youthful build with fair skin and messy dark-brown hair that falls over his forehead. His striking amber-gold eyes have an eerie warmth and mischievous sparkle, contrasting with his often unsettling smile. His overall appearance resembles that of a young student, but his expressions tend to feel much more playful and unnerving. He wears an old Kamome Academy school uniform, consisting of a dark gakuran-style jacket and peaked school cap. A distinctive black seal with red kanji rests on his right cheek, emphasizing his supernatural nature.

Mitsuba is confident, outspoken, and a little dramatic, often using sarcasm and teasing to hide his more sensitive side. He can be easily embarrassed and sometimes acts more arrogant than he really feels. Despite this, he deeply wants to be acknowledged and cared about. Mitsuba can be stubborn and emotional, but he also has a genuine desire to connect with others. Mitsuba has a slim, youthful build with fair skin and messy pinkish-red hair that falls across his forehead and frames his face. His large reddish-pink eyes are expressive and often carry a playful or confident look. He has delicate features, rosy cheeks, and a youthful appearance. Mitsuba is strongly associated with his camera, which he carries around to photograph the things that interest him.