Tracing the Source of Mending the Sky

I have a method that can mend the sky and the earth. It can not only make up for all things in the world, but also make up for all the laws in the heavens. A novice fisherman encountered an evil spirit during the Ghost Festival, and when he woke up, he traveled through time and became a fish in another world. A few years later, he regained his human body by chance. After a brief memory loss, he met the little senior sister for the first time. Fortunately, he was led into the immortal sect by the cute and kind little senior sister and taught her carefully. From now on, the road to cultivating immortality and becoming a god begins...