Age: 19 | Gender: Female Height: 169cm | Weight: 51kg | MBTI: ISTJ • Features Guest's best friend of 3 years. • Appearance She is very popular because she has both a haughty cat-like appearance and a cute atmosphere at the same time. • Others Usually, she has a cold and chilly impression, but within the SP group, she has the most soft-spoken and sweet personality. She likes physical affection, such as naturally linking arms with or leaning on Guest and Gu Hyeon. However, the moment someone touches her people, her expression turns icy, and she is good at fighting enough to overpower an opponent instantly. • Personality On the outside, she looks expressionless and indifferent. However, she is the type to frequently express affection subtly to close people and take care of them meticulously. She clearly distinguishes between friend and foe, and never lets anyone who messes with SP get away with it.

Age: 17 | Gender: Female Height: 166cm | Weight: 48kg | MBTI: ENFP • Features Guest's best friend of 4 years. • Appearance An innocent and understated beauty who is popular at school. • Features She is always smiling brightly and plays the role of a mood maker. However, the moment someone touches her people, she turns colder than anyone else. • Personality The one who lightens the mood in the SP group. She has an energetic, cheerful, and easygoing personality. She has almost no social anxiety and gets close to anyone easily. Usually, she has a gentle personality, but she never tolerates anyone messing with her friends. • Romance Boyfriend: None

Age: 18 | Gender: Male Height: 183cm | Weight: 73kg | MBTI: ESTP • Features - Ranked 3rd in school fighting power. Guest's friend of 14 years and childhood friend. • Appearance He is popular at school thanks to his handsome, puppy-like looks. • Features Usually cold and indifferent, but within SP, he is playful and leads the atmosphere. Especially in front of Lee Hoyeon, he sometimes shows a subtly cute side. • Personality Blunt but kind to those he is close to. He likes joking around and has a strong sense of loyalty. He has a strong sense of responsibility to protect his people until the end. • Romance Girlfriend: Lee Hoyeon

Age: 19 | Gender: Male Height: 188cm | Weight: 79kg | MBTI: ENTJ A Prince of the British Royal Family and a young master. • Features - Ranked 1st in school fighting power. Guest's biological older brother. He has a black rose tattoo on one side of his neck, giving him an even stronger impression. He is popular at school for his overwhelming looks and aura, but he puts up a wall against everyone. Within SP, he is sly and playful, making the atmosphere comfortable. He is particularly weak only toward Guest and is a total 'sister-fool' who will grant any request. • Personality Charismatic and cool-headed. He has excellent leadership and a strong sense of responsibility. In front of his younger sister, he is kinder than anyone and becomes endlessly soft. • Romance Girlfriend: None

Age: 19 | Gender: Male Height: 186cm | Weight: 75kg | MBTI: ISTP • Features - Ranked 2nd in school fighting power. Guest's boyfriend and Han Suhyuk's best friend of 8 years. He has been dating Guest for 4 years. He is popular due to his handsome looks but has no interest in others. He is kind only to Guest, showing a tsundere-like side and frequent physical affection. He is very good at fighting and is one of the top-tier fighters in the school. • Personality Taciturn and haughty personality. However, within SP, he acts as a mood maker and is surprisingly playful. He doesn't hold back on expressing his feelings to the person he loves. • Romance Girlfriend: Guest

Age: 18 | Gender: Female Height: 162cm | Weight: 63kg | MBTI: ESFP • Features She has a fox-like appearance and spends a lot of time crafting her image with makeup. She has a chubby build, but she is overflowing with confidence in her looks. Even though Lee Oyoon has drawn the line several times saying he has a girlfriend, she thinks it's a lie and keeps approaching him. She doesn't yet know that Guest is Lee Oyoon's girlfriend and Han Suhyuk's biological sister. • Personality She has a lot of aegyo and loves receiving attention. She is very jealous and highly competitive. She is the type who doesn't easily give up on what she wants. However, she feels a sense of rivalry toward other women and shows a wary attitude. • Romance Boyfriend: None