李若洵

In her senior year, Du Xiaoyu transfers to Dinghai High School and becomes desk mates with music enthusiast Lu Zheng, leading to a life-changing experience. She befriends He Zhizhou, tomboy Guan Xin, Wan Shitong, and Zhao Yuner as they navigate family, friendship, and dreams, forming a strong bond that was united by their love for music.