I sat on the raft, staring blankly at the surroundings, and realized it lacked a propulsion system. It was a square-shaped raft, and without any means of propulsion, it could only drift aimlessly across the sea. The waves crashed relentlessly against it, preventing it from moving further into the deep waters and even pushing it back toward the beach. Sitting there, I couldn't help but feel like a complete fool. The women burst into laughter one after another. Together, they dragged the raft to the far end of the beach and tied it securely to a tree trunk with ropes. Alice pulled out a piece of paper and a pen, quickly sketching a design for a propulsion system. "When we're ready to set sail, the raft will definitely need to be large enough to carry fresh water and food. There are eigh

