Rebirth of Primordial Emperor

Chu yan was an immortal cultivator who had fallen due to a betrayal by his close friends while he was about to enter the mystical realm of Budha where he could control the environment as a flip of his finger. He got struck by heavenly lightning due to which his body disintegrated but at the last moment, he got some techniques from the Heavenly Dao by which he was able to transfer a strand of his primordial soul to a nearby black hole which got created due to his heavenly tribulation. His soul passed through a trillion galazies until it finally reached Earth. His soul then got itself attached to a very hunk young master Ouyang Ming who was currently sleeping on his bed. After his and Ouyang's soul combined together, he woke up to find that he got a good body to start over. He pondered over which technique to cultivate then he suddenly remembered that he got a very strong cultivation technique from the Heavenly Dao which was named Primordial Yin-Yang Chaos Scripture. Gender bending will start in ch3-4