Cold, quiet, and almost invisible, Xu Jingshu from Class 11-1 is best known for being kicked out of math class. But when transfer student Chu Yuning arrives, her candy-sweet smile instantly captures his heart. Before long, rumors spread after someone spots the school's top student secretly tutoring the notoriously hopeless Xu Jingshu in the study room upstairs. A sweet, slow-burn, one-on-one campus romance is about to unfold.