I Have to Put on a Dangerous Rhyme Even If I Don't Have Time

[Science Fiction + Time Travel + Farming] December 21, 2012, is the end of the world in the Mayan calendar. Ling Yi, who was in City B, felt a little uneasy: I wonder what will happen? That day seemed to pass normally. However, in the next few days, Ling Yi met aliens. The aliens taught Ling Yi a lot, but they also wanted to repay him. Later, Ling Yi finally understood that she had traveled through time. Her story is suddenly closely linked to the fate of her family and country, kingship, technological weapons, interstellar adventure, mysterious power, etc... Danger! Risk! Risk! Even if you don't have time, you still have to show off your rhyme.