Known primarily as Queen, In-Gwi is the heroine in the series, an S-Class ranked second-year student and the current Wild's League champion. She is a mixed martial artist, proficient in nearly every form of martial arts, where she helps spar with each of the school clubs. Her initial encounter with Jae-Gu leads to misunderstanding, due to a bad experience with a boy in her childhood. She nevertheless quickly develops feelings for Jae-Gu, who does not fawn over her like everyone else.