I Can Reverse Time and Space

After young Si Yu came into contact with the meteorite fragments that fell in front of the window, he awakened the power of time and space reversal on the way to save the Husky on the way, and then began his extraordinary life... He was supposed to enjoy the joy brought by the power of time and space reversal, but he did not expect that black energy also broke into Si Yu's world, bringing endless suffering... Black energy is closely related to Si Yu's ability, and it can restrain Si Yu's ability. What is it? What is its relationship with the protagonist? The protagonist explores step by step and discovers that the black air and the city of the dead are closely related to the fate of the earth...