Global Martial Arts Master: My Sister Is Ten Years Old and a Martial Arts God.

Qin Yu traveled to the game world and became a martial arts loser. He was about to be assigned to the ordinary class and his future was bleak. In times of despair, the [Vientiane Upgrading System] awakens! A first-grade Qi-increasing pill? Upgrade directly to become the best, and the potency of the medicine is doubled without wasting it! Is the primary boxing technique too rubbish? Instantly upgrade to the peak level and conquer all directions with fists! Starting from an elixir and a set of boxing techniques, Qin Yu embarked on a path of unlimited advancement in both elixir and martial arts. While others were still struggling to break through as warriors, Qin Yu was already using the best elixirs as jelly beans and sweeping the stage with his peak martial arts. "Who said losers can't counterattack? My system can make the quality of everything soar!"