I Am the Big Devil in the City

After accidentally traveling to a parallel world, Lin Jiahui found that he was still a mortal with mediocre qualifications. How could this damn girl endure it? ! Fortunately, God has given a big devil system. As long as you learn it, you can master any skill and defeat those scum at will. You can become a math master in just one math class, you can become a top pianist by playing the piano twice, and you can get the ultimate basketball talent even by picking up a basketball. From then on, there was an omnipotent devil in the world... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.