Kuroko Tetsuki, the girl who has never cried in her life. An outcast after she lost her love for music. Akashi Seijuro, a renowned vocalist who recently retires who was also her beloved childhood friend that broke his promise when they were kids. A person who understands her more than anyone else. Their broken friendship, was the only thing that kept them together. However, what Kuroko didn't know was, Akashi was hiding his secret from the world, while desperately trying to proof his existence was more than just the former vocalist, Akashi Seijuro.