Martial Arts Master Reborn in High School: Recovering Regrets

In his previous life, Tang Yi was a master of martial arts. Before he became famous, he was in poverty because his martial arts family was ruined. After his rebirth, he returned to high school. Not only martial arts, but also business, the underworld, well, anyway, it's just fun without having any brains. You don't need to use your brains to read novels. And she died because of him.