The Mighty Delinquent of the Dan Clan

Hongmun was a lowly warrior who secretly mastered the Dan Clan’s forbidden martial arts. In a battle against the Black Flame Sect, he met his death. But when he opened his eyes, he had become Wolbin Dan, the infamous fourth young master of the Dan Clan. Now blessed with a body perfectly suited for the martial arts, he is determined to rewrite the past and prevent the destruction of the Dan Clan with his own hands.

(Source: WEBTOON)