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im thinking about writing a story and i just want to get some feedback on if its a good story idea its about a kid who's family move to the bottom of the sea with his whole neighborhood and his friends and I already have this whole idea of how they survive on the bottom with these special collars to let them grow gills and their eyes adjust to the darkness of the bottom of the ocean and how when they enter house they go into a sort of like reverse spongebob squarepants sandys house where the water leaks out but in my story there are like these big fans that dry you off but before that you take of your collars and its like normal houses its set in present time but where people have enough tech to do this also set in america

TL;DR idea about a story where boys moves to bottom of ocean