Level 999 After Hanging up for One Second

"Ding! Please select the on-hook skill." "Ding! The on-hook is completed, Chinese level +999." "Ding! Please select the on-hook skill." "Ding! The on-hook is completed, the basketball level is +999." In an accident, Gao Mu got a system called 'infinite on-hook'. Who knew that the system would crash the moment it was bound to the system. Faced with an automatic repair that took 999 years to repair, Gao Mu discovered that the computer could hang up during the repair period. Moreover, as long as you hang up for 1 second each time, the skill you choose can be upgraded to level 999. Since then, his life has undergone earth-shaking changes. The salted fish will turn over and it's just around the corner.