What should I do if I pledge my life to save a fox?

Introduction: There is a legend among the mermaid tribe that if you fall in love with a human on land, you will turn into a bubble. Yu Muhuai, who grew up hearing this saying since childhood, believed it deeply. However, what is even more contradictory is that on the day when the mermaids reach adulthood, they must surface and get to know the whole world before they truly become adults. Yu Muhuai, who has never been out before, is very curious about things on the sea. His uncle who works on land said that the human world is wonderful, but what is recorded in the history books of mermaids is different, which attracts Yu Muhuai's curiosity even more... As long as he doesn't fall in love with humans, Okay...but is he human? This land creature that stole other people's fish beads. He has legs unique to humans, but