The narrative starts when Shouji Fujimoto, a widowed single father aspiring to become a picture book author, meets Minami Takasaki, a singing idol on the children's educational program Oneesan to Utaou! (Let's Sing Along With Our Songstress!), outside of work. As a television idol for children, Minami is lonely in her private life and is forbidden from falling in love. Any scandals are strictly prohibited. Thus begins an adult love story with a songstress.