Yui Asahina is a violinist who failed the music course at Hoshinade Gakuin and entered a regular course. After a reunion with conductor Ichinose Ginga, she sets her sights on winning the "International Student Orchestra Competition," in which orchestras from all over the world compete...? From Yokohama Hoshinade Gakuin to all over Japan and the world. This is a story of high school students who regain their grand dreams.