(No harem, not invincible, no system, not brainless, unpleasant writing, slow pace, the protagonist will be abused, please be careful if you mind). Due to years of acid rain and turbidity on the ground, all animals and plants have long been extinct, and the last space for survival above the sea has disappeared. In the end, human beings Through scientific and technological means, we found the possibility of survival at 10,000 meters under the sea, and built the "Steamed Bun City" here. Because the high osmotic pressure and huge dilution of seawater can effectively prevent harmful substances from reaching the seabed, a new civilization began to continue in this dim place.