Every time I thought about erotic images, Seunghyun was you always…Four people who grew up together in one town from childhood. As each student’s college life begins, some start dating and some begin to live a prodigal life. The only woman among them, Yoo Jeong, sees Seung-Hyun as a man, who only thought of her as a friend, and finally has a strange imagination… Will the four of you ever be able to keep the friendship?