"Selection Project" is an anime series centered around the competitive world of idol auditions, blending themes of perseverance, friendship, and personal growth. The story revolves around Suzune Miyama, a young girl from Hokkaido who dreams of becoming an idol despite her fragile health. After recovering from a serious illness, Suzune decides to pursue her passion by auditioning for the prestigious "Selection Project," a televised idol competition that offers aspiring performers a chance to debut as professional idols.

The competition brings together nine talented contestants, each with their own unique backgrounds and motivations. Among them are Rena Hasegawa, a confident and experienced performer; Akari Amasawa, a cheerful and energetic girl; and Kokoro Shindou, a reserved and mysterious participant. As the contestants navigate the challenges of the competition, they form bonds, face rivalries, and confront their personal struggles. The series delves into their individual journeys, exploring their aspirations, insecurities, and the sacrifices they make to achieve their dreams.

Throughout the series, the contestants undergo rigorous training, perform in high-stakes auditions, and compete in various tasks designed to test their skills and determination. The narrative highlights the pressures of the idol industry, including the scrutiny of public opinion and the emotional toll of constant competition. As the story progresses, Suzune and her fellow contestants must confront their fears, support one another, and strive to prove themselves worthy of becoming idols.

The series balances its focus on the competition with moments of camaraderie and personal reflection, offering a nuanced portrayal of the idol industry. Themes of resilience, teamwork, and self-discovery are woven into the narrative, as the characters learn to overcome obstacles and grow both as performers and individuals. "Selection Project" provides a detailed and engaging exploration of the challenges and rewards of pursuing a dream in the competitive world of idols.