The quiet and timid Eunwoo can't trust people anymore because of the scars his one-sided love, Seunghan caused him. It was only when he heard that Seunghan graduated that he decided to go back to school, but burdened by his trauma, he still felt out of place. Amidst that, Jaeho, a freshman, approached him. Whenever Eunwoo sees the popular and handsome Jaeho, he thinks of Seunghan and wants to keep a distance, but Jaeho, who is interested in Eunwoo, keeps treating him nicely. Meanwhile, Seunghan also couldn't forget Eunwoo, and when he hears about Eunwoo had returned from his friend, he immediately went out to find him...