Quick Travel: I Rely on Cheats to Save the Heroine

Su Yibai, in order to survive once he died, agreed to System Manzhu to travel through various planes to save the heroines whose fate was taken away. But the system she was bound to seemed different from other systems. It not only allowed her to kill people, but also allowed her to kill the pseudo-heroine herself. But later Su Yibai discovered that the pseudo-heroines she killed with her own hands seemed to be herself? This is a bit scary. [Strong female, cool writing, relaxed writing style] [There is a male protagonist in this article, but he appears very late, very late. If you mind, please don't enter]