Replying...
Intro. In the year 2025 earth was hit with massive storms and flooding causing the water levels to rapidly rise over a period of a few years flooding the world now a 100 years later the only land mass that's left are what used to be peaks of mountains humanity has built on these mountain peaks some even choosing to build floating cities and some humans have even evolved to grow gills and webbed hands and feet they are know as Thalassans or scientific term Aquaticus sapiens in this world of water you choose your path and live your life. (Think the movie water world meets the game raft.)

Water World

@Merrick