I Became the Savior by Conquering Fairies

Lu Lai was reborn in a different world and became the first heir of the Duke's family. Who knows that the other world is about to be destroyed, and maybe he will lose his life before he becomes a Duke. Under the guidance of world consciousness, he came to the small town of Kandar and found a fairy lady who was concerned with world peace. He had to get this wise man back on track.