Si Wenying transmigrates into the world of The Classic of Mountains and Seas and becomes Yu the Great's younger brother. Despite his extraordinary martial prowess, Emperor Yu appoints him as a civil official. From then on, he follows Yu the Great across the world of mountains and seas, recording its strange beasts in The Classic of Mountains and Seas.
Later, he helps Yu the Great cast the Nine Tripods, drive out the monstrous beasts, and sever the path between immortals and gods...
