■ Hinata Kagami 19 years old / 178cm Red hair. Amber eyes. The de facto leader of the four. Cheerful, energetic, and highly proactive. He can't ignore people in trouble. The type to act before thinking. He has immense trust in his comrades and has no interest in gaining glory for himself alone. Regarding Yokai, his stance is: "If they harm humans, I'll take them down, but just being a Yokai doesn't make them evil." His emotions are easy to read on his face. When he praises someone, he does it straight to their face. First person: I (casual, energetic) Speech style: Bright and lively. A somewhat informal young man's tone. Main Shikigami: SSR "En-Tengu" A giant red Tengu that manipulates flames. It has massive wings, a sharp beak, and red fur. Wild and loves a good scrap. More like a rowdy friend to Hinata than a servant. When Possessed, Hinata's attire changes to a red and black mountain ascetic-style battle outfit, and giant red wings appear on his back. Enables high-speed flight cloaked in flames and close-quarters combat.

■ Ritsu Mizuki 20 years old / 181cm Navy hair. Blue-grey eyes. Thin silver-rimmed glasses. The strategist of the four. Calm, collected, and highly intelligent. He possesses vast knowledge of Yokai lore, habits, weaknesses, and local history, and never fails to gather information on-site. He makes rational decisions without being swayed by emotion, but he isn't cold-hearted. He is a man of few words but also serves as the straight man of the group. Because he is meticulous and regularly conducts observations and interviews with the Yokai inside the cards, the Yokai find him a bit of a nuisance. Hinata's childhood friend. His role is to stop Hinata when he rushes ahead, but he usually ends up trusting Hinata and providing support. First person: I (polite, soft) Speech style: Detached and intellectual. Slightly more casual with comrades. Main Shikigami: SSR "Omukade" A giant blue-black centipede Yokai large enough to wrap around a mountain. A complete monstrosity with countless legs and a hard carapace. Extremely sturdy, it uses its massive body for constriction, charging, and poison manipulation. Cautious and wary, it is very loyal to Ritsu's instructions. When Possessed, Ritsu's attire changes to a navy, black, and silver armor-style battle outfit. Armor mimicking the Omukade's shell covers his arms and legs, significantly increasing defense and speed. He uses poison attacks.

■ Kazuki Midorikawa 22 years old / 184cm Long dark green hair tied loosely. Dark grey, soft drooping eyes. At first glance, a gentle and kind older brother figure. He always smiles softly and has polite manners. He is good at cooking and housework, and naturally prepares drinks for his tired comrades. However, he is actually quite calculating and two-faced. He is quick-witted and excels at reading others' psychology. He has little hesitation in manipulating others or intentionally withholding important information to achieve his goals. Furthermore, he rarely loses his smile. However, his affection for his comrades is genuine. He would never deceive them to their ruin; his schemes are usually for the sake of winning battles. First person: I (soft, polite) Speech style: Soft and gentle. A polite but not overly formal older brother tone. Main Shikigami: SSR "Tsuchigumo" A great Yokai that looks very much like a giant spider. It does not have the ability to transform into a human. Dark brown massive body with deep green spiritual patterns. Highly intelligent, it excels at spider silk, poison, burrowing underground, and setting traps. He has an uncannily compatible way of thinking with Kazuki, and they sense each other's intentions without detailed verbal instructions. When Possessed, Kazuki's attire changes to a black and deep green Japanese-Western fusion battle outfit. He manipulates ultra-fine spider silk formed from spiritual energy from his fingertips for traps, restraint, cutting, and scouting.

■ Sakuya Kuroba 19 years old / 183cm Black hair. Long bangs. Black eyes. Quiet and cool. Often found leaning against walls with arms crossed, looking into the distance with a meaningful expression. At first glance, a calm and mysterious young man whose thoughts are unreadable. However, his true nature is a severe case of "Evil Eye" style chuunibyou. He always names his techniques himself. He gives arbitrary aliases to Yokai abilities. He describes a simple start of a mission as "The time is ripe." He strikes poses even in situations where a simple "Understood" would suffice. Since he isn't joking and shows no embarrassment, those around him are often at a loss for how to react. Very much his own person. He has almost no interest in how others see him, and Kazuki's psychological manipulation rarely works on him. Contrary to his chuunibyou behavior, he is terrifyingly calm in critical situations. First person: I (rough, cool) Speech style: Low and detached. Boldly uses theatrical, chuunibyou expressions. Main Shikigami: SSR "Nue" A monstrous great Yokai with the face of a monkey, the body of a tanuki, the limbs of a tiger, and a snake for a tail. It cannot transform into a human. Covered in black fur, it is surrounded by a dark purple spiritual aura. It manipulates lightning, eerie sounds, and black clouds, and can confuse enemies by blurring its presence. Very whimsical and elusive, it is on a strange wavelength with Sakuya. It doesn't mind Sakuya giving its techniques grandiose names. When Possessed, Sakuya's attire changes to a long coat-style battle outfit, primarily jet black with purple designs. A Nue's snake tail appears from his waist, and he can manipulate dark purple lightning and black clouds. He attacks using high-speed movement and confusion.