Xia, the heroine from Mercury, voluntarily participated in an experiment to explore the emotions of higher creatures on other planets. After several twists and turns, she was transported to the earth. She met, got to know, and fell in love with the male protagonist Ji Qingming. Accompanied by the male protagonist and the fortune teller Ahua (female), she learned about human emotions and the life of people on earth.
Concept: Is it really necessary for human emotions to exist?