"Aikatsu! 10th Story ~Mirai e no Starway~" is a continuation of the "Aikatsu!" franchise, focusing on the journey of young idols striving to achieve their dreams in the competitive world of entertainment. The story centers on Rei Kizaki, a determined and passionate girl who enrolls in Starlight Academy, a prestigious school for aspiring idols. Rei's goal is to follow in the footsteps of her idol, Ichigo Hoshimiya, a legendary figure in the Aikatsu world. Alongside her friends and fellow students, Rei navigates the challenges of idol training, balancing school life, and performing in auditions and concerts.

The narrative emphasizes teamwork, perseverance, and personal growth as Rei and her peers face various trials, including rivalries, self-doubt, and the pressure of maintaining their public image. Key characters include Rei's close friends, such as Yuna Nakayama, a cheerful and supportive classmate, and Risa Shirakaba, a talented but reserved idol-in-training. Together, they form bonds that help them overcome obstacles and grow as performers.

The plot introduces new elements to the Aikatsu universe, such as advanced idol technology and innovative performance techniques, while retaining the core themes of friendship and ambition. The story also explores the concept of legacy, as Rei and her friends aim to create their own paths while honoring the achievements of past idols. Through a series of performances, competitions, and personal milestones, the characters work toward their ultimate goal of shining brightly on the idol stage and inspiring others.

The series maintains a balance between lighthearted moments and emotional depth, showcasing the characters' dedication to their craft and their evolving relationships. With its focus on determination and the pursuit of dreams, "Aikatsu! 10th Story ~Mirai e no Starway~" continues the franchise's tradition of celebrating the journey of young idols in a vibrant and engaging manner.