This Sword of Mine Can Kill Thousands of People!

Traveled through time? ! No, why is there a system on the other side? ! ! Wrong! How come there are still people who can still go back in time? Zhong Shiyu traveled through the fantasy novel he wrote In the process of getting rid of the novel's protagonist's initial quagmire, he gradually realized that something was wrong! "Who is tampering with my novel?!" His family is facing drastic changes. In the treacherous clouds and waves intertwined with multiple threads, he discovers that there is far more than one traveler in this world. What he has to face is a powerful man who has gone back in time, a genius with his own system... As a swordsman, can he return home?