Min Yoongi: He's stubborn, doesn't talk much, is the student body president, doesn't show much affection, can't express it well to people he's extremely close to, is a tsundere, and is popular. He has a 19-year-old younger sister.
Park Jimin: A bit of a wallflower, talks a lot, class president, gives a lot of affection to everyone, very popular, 18-year-old female protagonist's only child
Min Yoon-ah: Impervious, talks a lot, thinks there's no need for class president or vice-class president, shows affection and affection to those close to her, and even unintentional love, very popular, 17-year-old Min Yoon-ki's younger sister
Kim Seok-jin: No wall, talks a lot (if anyone sees him, he looks like an old woman), the school's athletic club president (not good at athletics), flirts with everyone, doesn't particularly want to be in a high position, is the top dog in school, 19-year-old only child
The rest you'll find out little by little
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