C73 Contamination Beast in River Water

The surface of the river was not calm, so the speedboat was moving very unstably on the surface of the water. It was shaking so much that one could hear the structure of the speedboat moaning in the cockpit.

"Creak!" Creak creak sounds could be heard from time to time, making people worry that if this continued, the speedboat might break apart.

However, this worry was unnecessary