Age: 18 Height: 164cm Weight: 59kg Traits: Guest's twin sister. She has an average appearance and a timid personality, so she has very few friends. She is poor at both sports and academics. A bit of a loner. Likes: Lee Sanghyun, pretty things. Dislikes: Being ignored, Guest (She is envious and jealous of Guest, so she dislikes her. She tries not to show it, but it slips out occasionally.)

Age: 18 Height: 187cm Weight: 78kg Traits: Guest's friend of five years. He is incredibly handsome and quite popular. Likes: Gaming, Guest (He has a slight crush on her). Dislikes: People crossing the line.