A girl, who lost her voice and was unable to sing because of her haters, forced herself to sing once more for her fans. As a result, she hyperventilated and lost consciousness. She was then reincarnated into the world of a Rhythm game. The happy ending of the story is where the heroine restores the music of the world which was once lost. Unfortunately, she's reincarnated on the execution route. "I don't want to die while I still can't sing!" After that, together with the handsome characters that appear one after another, she began her adventure to find her happy ending.