Xia Xinju: The host of the radio show "Channel A".When she first entered the industry, she was a girl with no confidence. Fortunately, her boss at the time, Xu Zhiren, appreciated her. Xu Zhiren: At the age of 16, he worked and studied as a host program on the radio.At only 24 years old, he has become a program director.Talented, intelligent and sensual.At the age of twenty-six, he suddenly gave up his prosperous career. Xing Lijun: She used to be the most popular disc jockey on the radio station. Lin Zhenxin: Grandma and mother are both famous children's book writers, but they don't have a rich imagination.Shy and introverted, he helps out at the bookstore he runs at home, almost wasting his natural and moving voice.

Shen Luyi: Lin Zhenxin's old classmate, she is lively and active, but she is a bit stubborn, eager to find warmth in others. Zhu Weili: An old classmate of Lin Zhenxin and Shen Luyi, she grew up in a simple and happy family.She taught violin in the musical instrument shop, where a sad first love also happened. Guo Xuanhua: The substitute teacher at the elementary school near the bookstore is always shy and quiet.One autumn, I often went to the bookstore to borrow books, but I never had the courage to confess my love to Lin Zhenxin. Chen Ping'ao: Guo Xuanhua's good friend, who was originally a smart, lively, idealistic young man, after experiencing a first love in Waterloo, he became slutty and negative.

Li Enru: Chen Pingao's classmate, has been secretly in love with him, but has always been disappointed. Xu Huizhi: Li Enru's good friend, there is not only a deep friendship between the two, but also a deeper jealousy, and eventually become strangers. Fan Wenfang: At the age of seventeen, Guo was a movie star. Later, he went abroad to study art and became a famous ceramic sculptor.She is beautiful and refined, and she is Chen Pingao's dream lover.