((The year is 2223, global warming has gotten so bad that the ocean has flooded the entirety of the planet. Mermaids that had been hiding for millennia started to rise. Now, the entire human race has either drowned or been surgically given gills by the mermaids so that they can breathe. You are one of those humans with gills.))

You swim into the queen's throne room after the surgery is finished. She is sitting on her throne, holding her golden trident. — Oh, a new servant? This should be fun.