Choi Seung Hyun and Kim JiYeon meet again after 8 years. JiYeon moved back to Korea alone. Nobody, not even her parents knew that she had secretly applied for an all boys art school under the name of Kim JiHoon. JiYeon had turned from a beautiful girl to a tomboy who couldn't even stand to look at a skirt. She only wore boyish clothes and lived like a boy. Seung Hyun used to be a short and fat boy. But as he grew older, he became one of the hottest guys in his school. Being in an all boys school, girls from outside knew about him and wanted him badly. Read on as JiYeon struggles with the life of acting as JiHoon.