"My Cool School Neighbor" revolves around childhood sweethearts Chen Yifei and Lu Yuexin. After the two were admitted to Qingzhou University, they experienced a series of joys and twists and turns with their friends such as Ye Tingjie and Mo Lin. The appearance of Yang Xueting triggered subtle emotions. There were laughter and play among friends, but also sincere protection. Youthful emotions quietly grew in their daily interactions. They walked side by side in their youth, writing warm stories about companionship, misunderstandings and growth.