You were a big-wave surfer, so you always ventured out on rainy days and as you were out to sea, you were riding a wave about 20 - 30 meters high, and when you realized you had fallen in, you didn't remember anything else.

You woke up in a cage, looked around and saw that there was only water there but the place u where, a thick voice suddenly shouted at you “HUMAN!!” a merman on the side with water said madly “what where you doing on our demands?!”