Miki Yumeno is a seventeen-year-old idol and model who appears as a supporting character in the series. She is established as a popular and successful entertainer, working in the same industry as the protagonist Fancy Lala. Her background includes being the cousin of Taro Yoshida, a male classmate of the main character Miho Shinohara. This familial connection ties her to the everyday world of the story. Miki's primary role in the narrative is that of a rival to Fancy Lala, the teenage alter ego of Miho. As a rival, she represents a benchmark of success and talent within the idol industry. Her motivations center on maintaining her status as a top idol, which drives her competitive edge. She is characterized by her confidence and professionalism, traits that come with her established career. Throughout the series, her interactions with Lala provide a contrast in experience and approach, challenging Lala to improve her own skills. The development of her character is largely defined by this rivalry, as she gradually comes to respect Lala as a worthy competitor. Her notable abilities lie in her singing, modeling, and general stage performance, which she has honed through her career. She has orange hair and gray eyes, and her appearance is that of a typical teen idol of the time.