"Let's begin immediately. How should we open the black door?" I asked Little Forest.

"Just ram through it," said Little Forest.

Hearing Little Forest's words, Big Forest had the ship accelerate toward the black plate.

"Hey, isn't that too dangerous?" exclaimed Zhang Bao'er nervously.

With a bang, the ship shook, and I was thrown into the cockpit. There, I noticed that a suction pad had stretched out from the top of our ship and was stuck on the black plate. It was pulling in the opposite direction. Big Forest had the ship reverse, and with the powerful pull, the plate slowly separated from the wall.

"Eight minutes before contact with the enemy," reminded Little Forest, who had also entered the cockpit.

The ship applied more force, and with a loud noise, the black plate was torn off the wall. Behind it, a long and narrow passage could be seen. The passage was shrouded in darkness.

"After you enter the tunnel, I'll put the plate back immediately. At the end of the tunnel, there is a switch that will allow...