Light and Darkness

An ordinary high school student, Shuang's vision went black and then bright after an evening self-study get out of class. He traveled back to his childhood. However, he and his mother escaped the collision of fortune and were transported to a mysterious world by a mysterious goddess. He also accidentally became a Sun of Light. In order not to starve to death, Shuang followed him and Xiu, a Dark Yin from the same world, embarked on the road of adventure. The two had different opinions and had a disagreement. Soon after, the two had a big fight. When both sides had no strength to fight again, the boss appeared.