Su Tang traveled through time to study immortal literature and became the cannon fodder of the three chapters who was killed by the villain's senior brother with a sword. On the trial stage, she seized on the 0.3-Second flaw that no one knew in the original work and counterattacked, but because of this she was targeted by the future Demon Lord. System mission mutation: Prevent Shen Du from becoming a demon, otherwise she will be wiped out as his inner demon. In order to survive, Su Tang took the initiative to choose him as a sparring partner and stepped into Siguo Cliff full of murderous intentions. But when the heart-eating Gu broke out and the dark sword struck, the person who was supposed to slaughter the whole world put his life in her hands - "Su Tang, you owe me this time."
