Synopsis：This series tells the story of top student Li Jiyuan and bottom-ranked Jin Daozhen, whose youthful first love grows like a wisdom tooth—aching yet unforgettable. In high school, Jiyuan is asked by their teacher to tutor Daozhen, and the two boys, so different in personality and background, develop hidden feelings for each other over time. But their tender romance ends without resolution. Years later, they meet again, and the unanswered questions and lingering pain from that abrupt goodbye resurface. As they navigate the bittersweet ache of reunion, they must face their true emotions and find growth and healing together.