I Became a God by Eating Fish on Guido Island

The title of the book is very concise. Lin Xi, an unlucky guy, survived a plane crash. There is nothing around him, he knows nothing... Not far away from death, there is no system, no chat interface, no shopping mall, only a coconut grove and a palm-sized beach land. Well, in order to survive, Lin Xi can only make a harpoon and go fishing in the sea. When he ate his first fish, his body changed dramatically. His face no longer turned red and he was no longer out of breath. His strength to carry the coconut tree became stronger and he could hold his breath longer in the sea. People have become younger, and even myopia has been cured! A few years later, thinking that he was a weakling, he flew back to China with a single jump...