In Kyushu, there lies the small village of Sunomura. In that small village, four childhood friends, Touma Takumi, Ogami Ritsuko, Amamiya Kanon, and Takanashi Mio comprise a small music club at the village school. One day, Takumi happens to see and hear the violin performance of Orihara Ai, a girl who recently moved to the village and transferred...