Ayumu Isuzu lives in a world without sound. Though the world often fails to provide him with important information, Ayumu knows two things for sure: 'Thank you' and 'Sorry' look similar in sign language and he can't ignore an unconscious man with a violin he finds in the bushes. When Isuzu pulls Touka, a brash and impulsive violin student, from the brush and takes him home, he starts a tentative friendship with Touka that becomes the catalyst these two need… A new BL manga from the creator of Re:Birth!