I'm a Grandmaster at the Beginning, You Want Me to Practice Martial Arts and Keep Fit?

Jiang Feng was reborn in 2002 and became a frail and sick dragster. Once he fainted due to illness, his father was worried and decided to let Jiang Feng join the martial arts gym to improve his martial arts fitness! Fortunately, the system was activated, and with the help of the system, Jiang Feng's body became stronger and stronger. And he thrived in the martial arts world and became the youngest martial arts master! Two years later, the father missed his son and decided to take Jiang Feng home to celebrate the New Year and reunite with him. The result shocked him! My son became a martial arts master? Is the son still a martial arts master? The son defended Chinese martial arts and defeated the whole country? The son single-handedly killed the transformation master at the peak of the martial arts realm? Is he still planning to rebuild Longguo Martial Arts? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.