The series tells the story of five students, Yuta Hoshitani, Toru Nayuki, Kaito Tsukigami, Kakeru Tengenji, and Shu Kuga as they struggle to enter the musical department of Ayanagi Academy, a school focusing on music. They want to be accepted to the Star Frame Class, which is directly taught by the members of the Kao Council, the most talented students from the musical department who stand at the top within the academy. Luckily, they are spotted by Itsuki Otori, one of Kao Council members who puts them on his Star Team.