あらすじ
Yui, who pursued music with stoic passion, ended up losing her bandmates along the way. One day, a mysterious piano and an enigmatic woman suddenly appear before her. Soon, four unique individuals are drawn together by the power of music— and their performance may just determine the fate of the entire planet!? “It’s okay. The song will guide us.” An epic and rock-fueled story woven through science fiction and music!