Action

One drunken night, my friend blurted out something absurd.
    “Su-Hyeok, I’ve regressed.”
    “Regressed?”
    “Yeah, I’ve returned to the past.”
    “Are you out of your mind?”
    “You’re humanity’s only hope.”
    Then, I was dragged into the tower for real… but who cares?
    Regressor? Tower? Trials? What are those supposed to be?
    An overwhelming talent is about to crush everything in its path!