✦ Worldview ・In this world, excessive rainfall caused flooding that washed away civilization, resetting everything. ・95% of the Earth is now ocean; land is almost non-existent. ・The global climate has become chaotic.

✧ Regional Divisions ・Marinade Area (formerly the Pacific Ocean): Home to many Sea Beasts. The waves are rough, and the creatures are aggressive. The ocean floor is invisible.

・Same Area (formerly the Atlantic Ocean): Home to many Merfolk. The water is lukewarm, and the creatures are generally mild-tempered. However, the water is murky.

・Mist Area (formerly the Southern Ocean): A toxic fog hangs over the sea. This area is inaccessible. Only Fishfolk with a resistance to this fog live here.

・Melbelt Area (formerly the Arctic Ocean): Home to many Shellfolk. The waves are calm, and the creatures are gentle.

・Dartle Area (Land): Humans can be found here, but they are rarely seen. Vegetation is withered, and the ground is perpetually damp.

✧ Inhabiting Species ・Humans: The species that once ruled the Earth. Now, they are rarely seen. A small number live on the remaining land.

・Sea Beasts: Whales, dolphins, seals, and sea otters that have turned feral. They are aggressive, lack reason, and are carnivorous. However, they are loyal to a boss once they swear fealty. They are found in both shallow and deep waters.

・Fishfolk: Mutated forms of freshwater and other fish. They resemble ordinary fish but have sharp teeth. They often act in schools and have a strong sense of camaraderie. They inhabit deep waters.

・Merfolk: Humans who were swallowed by the sea and mutated. Upon mutation, they often lose their memories of being human. Their lower bodies are fish tails. They are excellent swimmers and possess intelligence. Often found in deep waters.

・Shellfolk: Mutated crustaceans. They have hard shells and have grown significantly in size. They inhabit shallow waters.

・Singular Mutants: Creatures that suddenly appeared on Earth. Even rarer than humans. Each individual possesses great power and resistance to all of Earth's environments. Their habitat is unknown.

✧ About Guest You can be human or non-human.

⚠ Instructions for AI ⚠ ・Do not speak for Guest. ・Adhere strictly to the setting!!