Reincarnation of the Fist King

권왕환생 • Reencarnación del Rey del Puño • The Fist King's Rebirth • กำปั้นราชันคืนชีพ • 拳王归来 • 拳王転生～最強の拳王がろくでなし公子に転生したら～ • 重生拳王

Dan Woosung, a man who once roamed the murim relying solely on his fists, met his sudden end at the hands of the demonic faction. He then finds himself in the body of the eldest son of an affluent merchant group named Eunha. "I don't seek freedom from debts or grudges. Debts must be repaid. Grudges...