Underwater

Once upon a time there was a hidden city underwater. The members of the city were half shark, half human. But there was one member who didn't like living underwater and who wanted to live in the open air. So he put a helmet of water over his shark head, and walked up to the land he was quite surprised to find that no one looked like him they were all only human. He was super scared, but a really nice girl walked up to him and they became best friends and soon got married and had some human kids some shark kids and some medium kids