A transmigrator named Zuo Yi fought and toiled for three hundred years in the Sadya universe. He was banished back to the blue world after his battle with Saur, the Abyssal Lord.He had managed to get a precious daughter who was four years old, to to his utter shock! To create the perfect environment for his priceless child, Zuo Yi, who has become weary of the life of a knight, gradually engages with the many elements of the blue planet. Ultimately, he ends the world problem.