Si Nan was relaxing at home watching TV when a mysterious light suddenly transported him to an unfamiliar grassland. Shocked and bewildered, he had barely begun to recover when he heard the sound of fighting nearby. Following it, he saw a fierce battle between humans and a gigantic monster. The creature was as imposing as a small mountain. Si Nan hid behind a tree and watched, fear spreading through him. When the monster drew closer, he was driven into a desperate situation. His heart raced and his mind went blank. How would he face this unknown danger and challenge...