Everyone Regressed Except Me

Chapter 4
Chapter 3
Chapter 5
Chapter 3
Chapter 5
Lee Hwayoon, one of the few players who entered the final dungeon, finds himself among the players who regressed back to the past with their memories intact.[System Error!][Searching for Special Skill][Special Skill search completed.][Please check the status window.][(Butterfly Effect Lv. 1) To the only one who did not regress, bonus points will be awarded for actions of yours that change the future.]
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