Apocalyptic Water World: Salvage the Urine Filter at the Beginning

ApocalypseWater World+No Female Protagonist+Upgrade+Decisive Killing No heroine! No heroine! ! No heroine! ! ! But the protagonist is not a eunuch, so you can rest assured. The end of the water world has arrived, the world's land has sunk, and humans live in a skyscraper. Floors symbolize status, with the upper floors brimming with supplies and the lower floors struggling to survive. Lu Zhou traveled through the water world for two years. No system, no background, no pebbles. Until the shipwreck comes. Bite! The host's dying state has been detected, and the Water World Rag King system is being bound...] [Gift package for newbies: 2m×2m raft] Lu Zhou: "I was about to die before you activated it? Where are you Driftwood?" [Ding! The raft is made from systematic driftwood] Lu Zhou: "..." "Awesome" After the system was unlocked, Lu Zhou began to go to sea to salvage. Bite! Congratulations on salvaging the bro version of the urine filter] [Ding! Congratulations on salvaging 5 pieces of rusty iron, which can be fused into normal pieces of iron] [Ding! Congratulations on salvaging the remains of the toilet, which can be upgraded to a golden toilet [Ding! Your raft has been upgraded to a battleship] What others see as rubbish is treasure in my hands! Rusty scrap metal? Build it into a survival tool in minutes! Others go out to sea and narrowly escape death, but I just pick up trash offshore! Start from the bottom and climb to the top of the skyscraper step by step! ! !