A rural woman became pregnant without having sex with any man. When the child was still in elementary school, she accidentally fell into the sea in a stormy day and was swallowed by a big fish. She experienced another pregnancy. Fish Belly, he still maintains his human appearance and has obtained the fish gene. He has a sense of mission, so he wants to change the world, starting with rectifying bullies, cleaning up corrupt officials, and dealing with all kinds of arrogant second generations