My Billionaire Great-Grandfather is 18

The Story

Eighty years after dying as a legendary business tycoon and war hero who protected his daughter, a man wakes up as an eighteen-year-old loser. Deceived and humiliated, he faces a bizarre reality where his eighty-year-old daughter calls him father. A cold CEO kneels before him, while a top superstar makes moves on the young man. He crushes scum with a single punch and takes down a family traitor with a kick. The legend returns to reclaim his family’s glory, turning the tables on those who once looked down on him.