Eriko Tamura, a young girl with a passion for singing, dreams of becoming an idol to honor her late mother, Reika Tamura, who was a famous singer. After her mother's tragic death in a car accident, Eriko is raised by her father, a struggling musician, and her grandmother. Despite financial hardships, Eriko remains determined to pursue her dream, inspired by her mother’s legacy. Her journey begins when she auditions for a talent agency, where she faces numerous challenges, including fierce competition, self-doubt, and the pressures of the entertainment industry.

Eriko’s talent and perseverance catch the attention of key figures in the industry, including her mentor, Mr. Kitajima, who recognizes her potential and guides her through the complexities of becoming a professional idol. Along the way, she forms friendships with fellow aspiring idols, such as Yuki Morikawa, who becomes both a rival and a close companion. Eriko’s rise to fame is marked by personal growth, as she learns to balance her career with her personal life, confronts her insecurities, and grapples with the expectations placed upon her.

The narrative explores themes of ambition, resilience, and the sacrifices required to achieve success. Eriko’s journey is not without setbacks, including moments of heartbreak and betrayal, but her unwavering dedication to her dream and her mother’s memory drives her forward. The series also delves into the darker aspects of the entertainment industry, such as exploitation and the toll it takes on young performers, providing a nuanced portrayal of Eriko’s experiences.

As Eriko gains recognition, she must navigate the complexities of fame, including the scrutiny of the public and the media. Her relationships with her family, friends, and mentors are tested, but they also serve as sources of strength and support. The story culminates in Eriko’s transformation from a hopeful teenager into a confident and accomplished idol, honoring her mother’s legacy while carving out her own path in the world of music.