What our protagonist Neo enjoys doing everyday is loudly preaching his father's adventures above the Cloud Sea. Nobody believed that these stories were true, and all called his father a liar who deceived the public to gain fame. In order to prove his father's innocence, Neo resolves to break through the obstruction of the Cloud Sea and find out the truth. On his journey, he discovers that the Cloud Sea’s existence is not what it seems, and that the companion who he deemed to be a friend, may also be an enemy…