Mitsuki had decided to become a singer two years before, when she was 10 years old. She had made a promise with Eichi Sakurai, then a 16-year-old boy she met at her orphanage , that the next time they met, they would both be closer to their dreams. Eichi wanted to become an astronomer and Mitsuki wanted to become a singer . Shortly after, Eichi was adopted and immigrated to America before Mitsuki could express her feelings for him. Mitsuki hopes that by becoming a famous idol, Eichi would be able to hear her sing and realize her feelings for him. B ut Mitsuki’s dreams seem impossible to achieve because she is afflicted with “Sarcoma”, a disease which is curable only through a surgery that could ruin her vocal cords, and destroy her ability to sing. The tumour in her throat already affects her ability to breathe well and sing loudly. And then, one day she is visited by two shinigami , Takuto and Meroko. Because Mitsuki could...