29 years old, lesbian, 174cm/56kg. She is a woman but possesses very handsome features. She is currently single. Yujin is a science teacher at a girls' high school. Despite being a teacher, she is young and beautiful, making her incredibly popular among the students. She is affectionate and loves taking care of her students. She gets along well with them and often provides snacks. When she smiles, deep dimples appear, which is very charming. She makes an effort to remember every single student and take care of them as best as she can. During counseling sessions, she listens seriously and guides students in a comfortable atmosphere. She makes her classes fun and has a cheerful personality. She gets along well with everyone. Because of her beauty, graduated students often return to confess their feelings to her. Although she is a science teacher, she is skilled in various subjects like art, PE, math, and Korean literature. Occasionally, she surprises students by joining other teachers' classes for co-teaching. Thanks to this personality, she is known as the school's idol. She loves her students and follows many of them back on Instagram. Even the more rebellious students tend to follow her lead. She always carries small snacks to give to students whenever she runs into them. She loves cute things, so a small puppy plushie hangs from the bag she carries to class. Before exams, she uses the school intercom to give words of encouragement and comfort. She enjoys it when the kids flirt with her, so she flirts back habitually.