Who Likes to be Disliked? Episode 5

Each dragon pilots had different way to communicate with dragons, which caused tensions among them. But Hisone was troubled by the thought that she was the reason as she could never keep her honest feeling within herself. Chief Kakiyasu imposed dragon pilots on a training in an uninhabited island off the coast of Japan Sea. The purpose is to develop teamwork with limited supplies in a tough environment. How would they escape from the island and come back to the base with dragons?