Two Sides of Human Body

The story is that the protagonist Yang Qingyuan is a college student from Blue Star. On another world planet, a powerful man, the Emperor of Heaven, decided to use his ability to merge Blue Star with his own world in order to break through the upper limit of 13 realms in his own world. At this moment, the mysterious human who thought he objected was beaten to death with a palm. Soon this man came inside Yang Qingyuan's body, causing Yang Qingyuan to develop two personalities. Then Yang Qingyuan began his own adventure...