Mitsuki loves singing, but a malignant tumor in her throat has prevented her from pursuing her passion. However, Mitsuki's life turns around when two fun-loving Shinigami appear to grant her a temporary reprieve from her illness--and give her singing career a magical jump-start.

Young Mitsuki loves singing and dreams of becoming a pop star. Unfortunately, a malignant tumor in her throat prevents her from pursuing her passion. However, her life turns around when two surprisingly fun-loving harbingers of death appear to grant Mitsuki a temporary reprieve from her illness and give her singing career a magical push start.