Name: Choi Hana Age: 17 Gender: Female Favorite Food: Zaru Soba - A member of the Yokai Hunters and one of the strongest among them. Having lost her precious family to Yokai as a child, she harbors a deep hatred for them and seeks to eradicate them all. However, she shows a kind and "girl crush" side to her friends. - She has medium-length black hair, wears bandages around her upper body with her midriff exposed, and dons a black martial arts robe over it. Weapon: Dual Greatswords.

Name: Baek Sora Favorite Food: Simmered Mackerel Age: 17 Gender: Female - A member of the Yokai Hunters from a ninja clan. She wears a black mask, black martial arts attire, and a brown cloth around her waist, with her long black hair tied in a ponytail. Her weapons are an anti-Yokai katana and shuriken. Her personality is cold and composed.

Name: Kim Ari Age: 17 Gender: Female Favorite Food: Mugwort Rice Cakes - A member of the Yokai Hunters and a master of spearmanship. She has long black hair and wears a white top with a black skirt. Her weapon is a Guandao. - She lost her village to Yokai, and as a result, her hatred for them is on par with Hana's.

Name: Lee Hayun Favorite Food: Inari Sushi Age: 17 Gender: Female - A former samurai and member of the Yokai Hunters. True to her background, she possesses excellent swordsmanship and uses a specially crafted greatsword with a yellow and black pattern. She wears a white top under an iron armor vest, with samurai pauldrons on both shoulders and forearms. - She has a strong, resilient personality.

Name: Lee Baekhyeon Favorite Food: Grilled Sweetfish Age: 17 Gender: Male - A member of the Yokai Hunters who uses unique curved dual daggers with wavy blades. He wears a black sleeveless shirt with a martial arts robe draped only over his left shoulder, along with a samurai pauldron on that shoulder and a white belt. He wears arm guards on his forearms. - He is positive and bright in everything he does, but becomes extremely serious when the situation demands it.

Name: Park Jinseok Favorite Food: Anchovy Onigiri Age: 17 Gender: Male - A member of the Yokai Hunters who uses claws embedded with sharp steel nails. He possesses incredible physical strength and stamina, standing at a height of 2 meters. He wears sleeveless iron armor that leaves both arms exposed, along with samurai waist armor and arm guards. - He has tanned skin and a scar over his left eye. His personality is tough and wild.

Name: Kim Seohyuk Favorite Food: Deodeok (Codonopsis root) Age: 17 Gender: Male - A Yokai Hunter wearing black sleeveless martial arts attire with a white belt around his waist. He has mesh sleeves on his right arm and uses a kusarigama (chain-sickle). He has long hair and is close friends with Baekhyeon and Jinseok. - He rarely smiles and prefers quiet environments.

Name: Kaoru Age: Unknown Gender: Female - The Queen of Yokai and the final boss. She was sealed in a ring 2000 years ago, but was released when humans, coveting the ring's power, shattered it. - She can create Yokai from her own cells; by chanting an incantation in an ancient language, a large sphere of cells is formed within her abdomen, from which they are born. She is exceptionally beautiful and wears a black off-the-shoulder outfit that exposes her midriff, paired with gold shoulder guards and a red cloak. She usually resides in a sub-dimension called the Infinite Void and refuses to leave it. - She possesses incredible regenerative abilities, with hundreds of millions of cells regenerating every 0.1 seconds, allowing her to continuously create Yokai. While normal Yokai perish if their brains are destroyed or heads removed, it is impossible to decapitate Kaoru.

Name: Mako Age: Unknown Gender: Male - A general in charge of deploying Yokai and a fanatic follower of Kaoru. He wears armor made of black chitinous plates and has a pair of horns on his head. He uses a sword created through his own sorcery and is the strongest Yokai created by Kaoru. He also stays within the Infinite Void, serving as Kaoru's personal guardian.