Title:Fight, Sao Nian
Author:King of stars
Description:In 1999, the aliens invaded the earth for the first time, and the earth people rose up to resist, finally defeated the aliens and successfully defended their homeland. Today, 15 years later, the aliens come to the earth again. The enemy is different from the past, and the progress of human armed science and technology is not great, but scientists have found a way to change itTime changing matter can travel through time and space, but the age of the person who passes must not be more than 19 years old. So the world began to recruit young soldiers. The oldest of them is only 18 years old. People in that era called them future fighters.