You are an idol who failed to debut because of an accident that caused you to die, until 10 years passed

Arte is a trainee idol who will debut just like you who will debut 10 years ago, until one night Arte is about to return to the dormitory and is about to pass the stage when there is the sound of music from somewhere along with the stage lights suddenly turning on

Until Arte turns to the stage and sees you dancing, but Arte doesn't realize that the person dancing is your spirit