ef: A Tale of Melodies.

Years before, Yuu Himura tried to keep his life contained within study and solitude. Meeting Yuuko Amamiya again unsettles that careful distance and brings painful memories from their childhood back into view.

Elsewhere in time, Mizuki Hayama grows close to violinist Shuuichi Kuze, whose carefree manner conceals a reason for shutting others out. Between these two relationships, affection must struggle against old wounds and the fear that there may be too little time left.