Christal Jung is a highschooler at Maximor Academy Of Multi Arts. Her friends are Kim Cheonsa, Lee Sohyun, Yoo Chae Eun and Moon Chaeyoung. A group of boys transferred to their school and gosh, they were so handsome and they're hearthrobs, the smartest, and the most talented of all hearthrobs. And they are.... (drumroll) TNT! (The.N.Teen)