She is an ordinary orphan on earth. By chance, she came to Zhongli in the Milky Way and met two men who could change the trajectory of her life. The song of indistinguishable friends and foes, the mysterious and cold O2, started her life of ups and downs of great joys and sorrows. The love story in the future world under the grand scene, the prosperity is gone, the dusty past events that are constantly cut and confused are presented one by one, and the ending is shockingly reversed. At the end, she realizes that she can't go with them on any road in the world. . . And her love turned out to be a flower in the mirror, elusive and out of reach.