Guard of Hua: Destroy Alien Beasts

When you were sitting in the classroom, have you ever thought that an extraordinary heavy rain would come and change your life? When you see things you have never seen before disappearing in the dark fog, will you realize that the world is different from the one you have been exposed to before? Where do the so-called strange beasts come from? You and I don't know, and neither does Hu Fan. After seeing the hidden dangers in this originally safe world, What choice will he make?