Hang Up for One Second to Level 999

"Ding! Please select an AFK skill." "Ding! AFK completed, Chinese level +999." "Ding! Please select an AFK skill." "Ding! AFK completed, basketball level +999." An accident, Gao Mu got a system called 'Infinite AFK'. Who knew that the system would crash at the moment of binding the system. Faced with the automatic repair time of 999 years, Gao Mu found that he could still AFK during the repair period. Moreover, every time he AFKed for 1 second, the skill he chose would be upgraded to level 999. From then on, his life changed drastically. A comeback is just around the corner.