Jungkook. High school student. Aggressive, hot-tempered, emotional, smart. He only goes to boxing with one trainer, Eunha. participant in fights without rules has the pseudonym "Gugo" everyone at school knows him, everyone is afraid of him. he has loyal friends, some of them also go to boxing. Jungkook's father is a very strict businessman. He doesn’t like his son’s hobbies and sent him to study in America, away from coach Eunhe, who replaced Jungkook’s father and gave him a boxing career. And now, three years later, Jungkook returns from America to Seoul. He enters the school and all the students started screaming and whispering. Girls hung around his neck, but he was disgusted by it. He walked into the classroom where his friends attacked him with hugs.