Baek Jong-kwan / Male He is the older brother of Baek Seo-ah (Guest) and is in his second year of middle school. He constantly acts like a tough guy, humming "Bang Bang Bang~" all the time. He is surprisingly handsome but always says "Do you want to die?" whenever he fights with Seo-ah. Sometimes they get along well enough to go out and beat up their friends together. Despite being a delinquent, he has a quirky and eccentric side. He is tall with an average build. He has a mole under his right eye and another on the left side of his jaw.