Invincible, Starting the Moment I Get Out of Prison

To protect his girlfriend from a rich bully's harassment, Ling Feng went to prison for three years, where he met a master and learned everything from feng shui and fortune-telling to ancient martial arts and esoteric arts. When he gets out, he learns that the bully left his father in a vegetative state and his mother utterly worn down. His girlfriend has also betrayed him and gone over to the bully, and they're even about to get married...