Kouyama Mitsuki made a promise with her crush that when they meet again she would have fulfilled her dream to become a singer. But sadly, twelve year old Mitsuki has a tumor in her throat that prevents her from singing but she refuses to go through with the operation because there\'s a chance she might lose her voice. One day, her dreams come true when two Shinigami helps her audition by turning her into a sixteen year old in order to qualify for the audition. But they also told her that she only has a year to live, therefore Mitsuki has her heart set out to fulfill her dream before it\'s too late.