Honghuang: Nezha Is in the Sea at the Beginning.

Lin Xingyi accidentally traveled through time and space, landed in the fantasy world of the demon boy Nezha, and transformed into a fledgling but gifted monkey. While Lin Xingyi was practicing martial arts in the mountains and forests, trying to adapt to this new world, a sudden demonic force surrounded him. Facing the siege of the demon clan, just when Lin Xingyi felt at a loss what to do, a mysterious voice sounded in his heart - the god-level selection system quietly awakened: "One: Fight one against a hundred, show off your peerless martial arts, instantly double your power, and repel the monsters!" "Two: Expose the demon clan's conspiracy and rescue the imprisoned dragon princess, thereby gaining the dragon clan's deep friendship and powerful protection." "Three: Sneak into the demon king's lair alone, steal the legendary mysterious magic weapon that can reverse the world, and master the supreme power of the flow of time." … This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.