When Hayama Miu was young, she dreamed of becoming a florist inspired by her father's words. Now she is a 16 years old hardworking student with a goal to become a government official and no time for childish dreams. One day she is asked by her grandmother, who is also the school's board chairman, to help with the school's old greenhouse. There she encounters the spirits of roses, lilies and other flowers, and so her life takes an unexpected turn...