Koukou Seikageki: Star Mu

Hoshitani Yuuta is a new student at Ayanagi Academy, a high-performance music high school, in order to follow in the footsteps of a high school student whose performance he had admired in his middle school days.
In his first days, he befriends four students: Nayuki Tooru, Tengenji Kakeru, Tsukigami Kaito, and Kuuga Shuu. When they meet, they ...