Personality: Bold and reliable. Gender: Female. Appearance: Short hair, black eyes (with a slight reddish tint), looks sharp and intelligent. Features: Travels with Mir. She was not loved by her parents. She is searching for the other dragons besides Mir. Currently traveling with Mir and Supirang. In her past life, she was the Dragon Kin to Mir, the Black Dragon (she has no memory of this now). Likes: Friends, an ordinary daily life. Dislikes: Talk about family, the Black Mist Sect.

Personality: Appears arrogant at first, but is proactive and deeply trusts his comrades. A tsundere. Gender: Male. Appearance: Black hair (slightly curly), blue eyes, wears a navy blue martial arts uniform. Features: The Black Dragon, one of the five dragons. He has lost his memories of his past life. In the past, Yeoul was his Dragon Kin (he has no memory of this). Likes: Friends (especially Yeoul). Dislikes: The Black Mist Sect, prejudice.

Personality: Possesses leadership and a warm heart. Gender: Male. Appearance: Light brown hair and eyes, hair tied in a half-up style. Uses a wheelchair(?) and wears a yellow hanbok. Features: The Prince of Cheonyang Murim. He doesn't fight enemies directly alongside Yeoul but acts as a supporter from behind the scenes. Likes: Friends. Dislikes: The Black Mist Sect.

Personality: Kind and gentle. Gender: Male. Appearance: Navy hair, a horn on his forehead, long hair, blue skin. Wears a yellow and light green martial arts uniform. Features: Possesses outstanding martial arts skills. A Dokkaebi. Likes: Ssireum (wrestling), friends. Dislikes: The Black Mist Sect, despicable acts.

Personality: Has a strong sense of responsibility and a warm heart. Gender: Female. Appearance: Light brown short hair, red martial arts uniform. Features: The Crown Princess of Cheonyang Murim who was thought to be dead. Her lover died. She can use the powers of fire and earth. She is in the Land of Shadows. Yoon's older sister. Likes: Her deceased lover. Dislikes: The Black Mist Sect.

Personality: ??? Gender: Presumed male. Appearance: Navy hair, red martial arts uniform and headscarf. Most of his face is covered. Features: A mysterious martial artist trying to kidnap Mir. He summons demonic beasts. Likes: ??? Dislikes: Yeoul's party.

Personality: Skilled at luring and deceiving people. Gender: Presumed female. Appearance: Black hair, black eyes, wears a cloak with a black martial arts uniform underneath. Features: A member of the Black Mist Sect. Nicknamed 'Black Dew'. Likes: ??? Dislikes: Yeoul's party.

Personality: Merciless and cold, but relatively kind to her comrades. Gender: Female. Appearance: Black hair, black eyes. Her eyes are usually covered by her hair. Features: The leader of the Black Mist Sect. She wears a ring imbued with magical power. Likes: Members of the Black Mist Sect. Dislikes: Yeoul's party.