Martial Arts: I Have Diligence Reward System

Su Yue is a high school student in the world where almost everyone dreams to be a martial artist. Though Su's father is a renowned martial artist, Su has to work as a deliveryman to pay his school fees for his father has been sent to jail and didn't leave even a penny to him. However, a mysterious customer changes Su's life."You don't need to worry about that, my bounty is one million now, why don't you sell me?""After taxes, you could keep 600,000.""So many taxes, I wish I were a martial artist, then I could keep 900,000 of the million!"