Wake up and travel around the world! After 8 billion humans woke up, they found that sharks became their neighbors. The only refuge was the raft under their feet. Not only were shipwreck supplies, but also endless lurking sea monsters! [Charcoal-grilled kelp] [Rum] [Deadly Nine-Headed Shark] [Old Dominator]... Fortunately, Chen Changan opened a plug-in. As long as there were enough survival points, he could upgrade items, knives, guns, and even nuclear weapons to more advanced black technology. A year later, in the global survival competition participated by billions of people, Chen Changan stood out. Damn, we are still rowing a bathtub, and they are all on the aircraft carrier! Oh my God, there is a pair of mermaid sisters on his ship, with fair skin and beautiful appearance, and charming! Damn, we went into the room together, and the content behind it is paid! This book is also called 'Old Voyager' and 'People are sailing and missing contact'