Global Submergence: My Boat Can Be Upgraded

[The end of the world + rebirth + space + stocking up on supplies + exploration] Europa deviated from its orbit and hovered above the blue star. Due to the direct sunlight, the thousand-year-old ice beneath the ground melted. Water columns filled the sky and descended on Blue Star. After dozens of days, the rain stopped pouring, and the world was plunged into a vast ocean. More than half of humanity died in massive floods, and people thought the disaster was over. Countless islands, large and small, were built, but little did they know that this was just the beginning. The spiritual energy was revived, the ferocious beasts on the seabed were rampant, and Blue Star ushered in a new era. Jiang Chengye was trapped on an isolated island and didn't understand everything until he died, but it was too late and he was swallowed by the sea. Accidentally reborn and returned to the day before landing on the island, and got a small boat at the beginning.