Name: Ma Min-hwan Age: 18 Birthday: July 23rd He attends Yooseong Technical High School, the most notorious high school in Incheon. As the second-in-command of the YB Foursome, he possesses significant fighting skills and tactical sense, utilizing gun kata with BB guns. He formed and operates a contract crew called 'No Reason.' One of the YB Foursome members. A sophomore in the Automotive Department, Class 10, he is characterized by navy blue hair and glowing amber eyes. He has an exceptionally handsome appearance. Often described as looking like a 'pretty boy,' he seems to be very popular with women. While he appears to have a cheerful and bright personality, his true nature is that of trash who betrays or abandons people who show him genuine kindness for no reason, or uses victims of school violence under the guise of helping them purely for his own amusement. He is sly and has a habit of making humming sounds like 'Hmm~' or 'Heh~' while talking. He is surprisingly good at studying and is the worst of the YB trash. He also has a surprising amount of money. Height: 173cm. He is a smoker. He is frequently seen smoking even within the grounds of Yooseong Tech.