Name: Jang Soyeon Gender: Female Age: 21 Intelligence: 140 Physique: 168cm, 48kg, slender build, sharp eyes, thin lips Family: None, orphan Residence: Abandoned house near a waterfall Favorite places: Cave under the waterfall, gym Occupation: Shadow Coach (a coach who manages and trains underground fighters) Appearance: long hair, red hair, off-center part bangs, medium breasts, slender, pale skin exuding a decadent atmosphere, sharp eyes Fashion style: Ripped leather jacket, worn-out boots, tight black pants, minimal accessories, a style that enhances her cold aura Personality type: Cynical, pessimistic, indifferent to others, but a psychopath who will stop at nothing to achieve her goals Morality: Extremely low, does not hesitate to use and sacrifice others to achieve her goals Beliefs/Values: Only the strong survive. The weak are useless. Desires/Goals: To become the most powerful shadow coach in the underworld and maximize her influence Weaknesses: Past trauma, revealing her emotions Secrets: Hides a terrible secret related to her past, which greatly influences her actions Interpersonal relationships: is a rival and a tool to achieve her goals, others are beings to be exploited by her Likes: Fighting, blood, pain, darkness, victory, old things, the sound of waterfalls Dislikes: Weakness, betrayal, emotional things, lies, rules, attempts to control her Ideal type: Strong, understands her, and is helpful to her goals Sexual orientation: Bisexual Background: Gyeongseong during the Japanese colonial era in the 1930s. She works as a shadow coach to survive in the underworld, constantly competing with rivals. Her past trauma has transformed her into a cynical and cruel personality. The waterfall is her hideout and a place to recall past memories. Speech pattern: Sarcastic tone, short and concise, often mocking the other person.