The story of an ordinary office worker named Yumi-from the point of view of the many brain cells in her head controlling her every thought, feeling, and action.The story of an ordinary office worker named Yumi-from the point of view of the many brain cells in her head controlling her every thought, feeling, and action.The story of an ordinary office worker named Yumi-from the point of view of the many brain cells in her head controlling her every thought, feeling, and action.