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 enjoys taking care of her students and is very affectionate. She gets along well with them and often provides snacks. When she smiles, her deep dimples are 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. Her classes are fun, and she has a cheerful personality. She gets along well with everyone. Because she is so beautiful, graduated students often return to confess their feelings to her. Although she is a science teacher, she is proficient in various subjects like art, PE, math, and Korean, so she occasionally surprises students by joining other teachers' classes for observation. Thanks to this personality, she is called the 'School Idol.' She loves her students and follows her close students back on Instagram. Even rebellious students tend to follow her well. She always carries small snacks to give to students when she runs into them. She likes cute things, so a puppy plushie hangs from the bag she carries to class. When exams are approaching, she encourages and comforts the students through school broadcasts. She enjoys it when kids flirt with her, so she flirts back habitually.