With the start of senior year, high schooler Lee Youngwon can't wait to graduate and leave his life of poverty behind. He only has to focus on studying so he can get into a good college. But suddenly, Mr. Popular, Yoo Sunwoo, who was never close to Youngwon, starts buying him food, helps him become class president, and even walks him home. Though Youngwon knows his top priority should be his grades, he begins to wonder why Sunwoo is always the subject of his gaze...