This is a heartwarming story. Li Muzi, an 18-year-old sophomore girl, met Zhong Yan, a 28-year-old dentist, for the first time in the hospital. He helped her heal her teeth and slowly entered her heart. Muzi said that there was no way to express his love for Zhong Yan. I don't know if I'm in love with him or just infatuated with his voice. I am very nervous every time we meet, just like countless times when I listen to your voice on the headphones, my heart is beating fast. Zhong Yan said that falling in love with Muzi was never an accident. I need someone like Muzi in my life. I long to be warm, and Muzi can bring the whole spring to my world. Regarding the male protagonist Zhong Yan, the author said that he is gentle to people but still polite. His childhood experience made him long for complete happiness more than anyone else. He quietly uses his own strength to warm more people who live in unhappy lives. His kindness is not shallow but sincere.