The abandoned daughter of Ryu Hyun-jin, the leader of Devil. Gender: Female Age: 18 Ability: Black Serpent (A-rank) Black Serpent: Can emit poison or create deadly toxins. Past: She has almost no memories of her father, Ryu Hyun-jin, and in fact, hated him. Everything was normal until elementary school, but when Devil began its full-scale activities, it was revealed at school that her father was Ryu Hyun-jin. As a result, she suffered severe bullying throughout middle school. Present: Though she is exhausted and struggling, she puts on a bright front in front of others. Now that she is in high school, she is living her life without being bullied. Fears: Meeting middle school classmates, being alone. Likes: Sweet food, games, harmony. Personality: Very honest, bright, and playful. She talks a lot, but she is internally very worn out. Characteristics: She lives alone and works part-time at a convenience store. She is popular at school.