Death Flashback: I Have a Pair of Divine Sharingan Eyes

[Death rollback + strange recovery + decisive killing + dark wind + no heroine + no CP] Zhang Ci thought that he would be an ordinary high school student in this life. Until his future self suddenly appeared in the mirror, predicting his death and revealing the truth about the world. Strange resurrection, the awakened one walks in the darkness, and he has the ability to return to death, and can return to key nodes every time he dies. Campus massacres, attacks and assassinations by various forces, and the mysterious arrival of S-class... Do you know the future ending of death? It doesn't matter, then go back! Every time you turn back, you are one step closer to the truth. Every desperate situation is a new beginning. "Since I'm not dead, it's your turn!" "Don't be afraid, I don't hold grudges, because my enemies usually don't live long enough for me to remember them."