I Became The Rogue First Prince, 망나니 1왕자가 되었다, I Became the First Prince, I Became the Degenerate First Prince Reincarnated as a sword, I spent hundreds of years cleaning up other people’s messes. Then, just like that, I ended up taking over the body of a fifteen-year-old good-for-nothing First Prince. “Do you have any idea how many brats I’ve raised?” The Great Knight known as the Undefeated, the Dragon Slayer who felled the Mad Dragon, the Mercenary King… I raised them all. The Demon Sword Grohon, now possessing the body of the First Prince—a notorious scoundrel. This is the beginning of a new myth written by his hand.