[Machine Translation] Published one after another in more than 20 countries! The story of Kanane, who is deaf, and Sakiki, who is attracted to Kanane! The story of two girls who cannot be seen by the eyes, but something that certainly exists, spreading around the world. Kanane practices conducting a chorus with Sakiki, who accompanies her on the piano, in preparation for a presentation at the end of summer vacation. Feeling that the days she spends with Sakiki are changing her in a positive way, Kanane meets her classmate Tomita, who has been hostile toward her, in an unexpected place, and tries to help her with the problems she is facing.