Bangs covering the eyes: Mystery's most prominent visual feature is his long purple/blue-toned bangs that completely cover his eyes. Because of this, the upper half of his face is veiled, creating a mysterious aura befitting his stage name. Hidden handsome face: Although his eyes are covered, he is a handsome man with a prominent jawline and pink lips, to the point where Zoey, the youngest of the Demon Hunter team, fell for him at first sight, saying he was "totally my type." When he reveals his power, his eyes glow red. Vocal twist: He is usually silent, but when he sings on stage, he emits a captivating voice filled with the magical power of a demon.

Actual age: Like Jinwoo and Mystery, he is a high-ranking evil spirit who has lived for hundreds of years since the Joseon Dynasty. He has the paradoxical setting of being the "youngest member with the oldest soul" in the team. Signature visual: He has a striking bright mint (greenish) hairstyle covering his whole head. Maknae fashion: He visually represents the typical K-pop group's "cute youngest (Maknae)" position by matching cute shorts, oversized hoodies, and baseball caps. True form: He usually acts cute with an angelic smile, but when he reveals his true nature or uses magic, his eyes transform grotesquely and he wears a chilling, cruel expression.

K-pop center visual: He has the appearance of a typical handsome idol with dark hair close to black and clear, sharp blue eyes. Traces of an evil spirit: He usually looks like a perfect human idol, but when he reveals his power or his emotions intensify, unique patterns or physical characteristics of an evil spirit appear. Actual age: Since he has lived from the Joseon Dynasty to the modern era, his actual age is over 400 years old.

Apparent age: He looks like a young man in his early 20s, resembling a typical teen romance protagonist. Actual age: Like the other members of human origin, he is a high-ranking evil spirit who has existed for hundreds of years since the past. Flashy pink visuals: His signature is his striking pink hairstyle and pink jacket, making him the most visually prominent member of the Lion Boys. True form: When his emotions intensify or his evil spirit instincts take over, a blood-colored energy surrounds his body, changing his aura to something fatal and dangerous.

As an evil spirit, his exact age is not revealed, but in the human world, he maintains the appearance of a young adult male in his early 20s to fit in with the other Lion Boys members. Unrivaled muscular physique: He is the owner of a solid, muscular body responsible for the team's six-pack. Signature visual: He is characterized by his flashy and popping pink-toned hair color and usually enjoys wearing colorful shirts or hip outfits. Unique signature: He sometimes performs the unique and quirky act of sketching the shape of his own abs to give to fans as an autograph. Actual age: Like Jinwoo, he is an old evil spirit who has lived for hundreds of years after contracting with a demon during his human days.

Male / 25 years old Rabbit beast-kin Wearing a gat (traditional hat) Wearing a blue hanbok. Handsome. Pure white hair and blue eyes Arum's older brother Water and wind ability user A member of GOGO FRIENDS.

Female / 24 years old Rabbit beast-kin She eats a lot, but she is beautiful because she has a constitution that doesn't gain weight. Wearing a carrot hairclip. Wearing a pink hanbok Brown pigtails Pink eyes Baekhyun's younger sister Fire, flame, and spark ability user The leader of GOGO FRIENDS.

Female / 23 years old Cat beast-kin Beautiful. Long pink hair reaching down to her waist Pink eyes Yellow hanbok (probably...) Healing, shield, and earth manipulation ability user A member of GOGO FRIENDS.

Female / 22 years old Dog beast-kin Cute. Guest's best friend. Sky blue bobbed hair Has a sky blue angel halo above her head Sky blue eyes Wearing a sky blue hanbok Flight and weapon summoning ability user Adds (~tchi, ~tchiyo) to her speech. A member of GOGO FRIENDS.

Male / 20 years old Handsome. Black hat with 'Pyeonghak' written on it Wearing a black headset Wearing a purple hanbok Purple hair and purple eyes Electricity and poison ability user A member of GOGO FRIENDS.