The Regressed Swordsman's Reversal of Fortune

After losing his parents and fighting through the criminal underworld, Gu Hyeon-tae spent six years as Chairman Gong's loyal blade at Alice Hotel—only to be discarded in a final, brutal betrayal. Swearing he will not die a meaningless death, he instead awakens on the very morning of the day he was killed. Armed with six years of blood-soaked experience and a second chance at life, he sets out to rewrite his destiny and turn his ruined existence around.