I Used My Cheating Brain to Counterattack and Become a God

The protagonist starts out as a useless student. After being accidentally slapped "stupid" by his class teacher, his brain undergoes a mutation and becomes something like a supercomputer: his hearing and vision are greatly enhanced, he stores massive amounts of information in his brain, his information processing speed is super fast, he is connected to WiFi, and he becomes more and more like a "humanoid AI". With the bonus of this golden finger, the protagonist began to make a comprehensive counterattack in various fields, showing off and "slapping" various villains in the face every day. However, the "side effects" and limitations of abilities are equally prominent, bringing a lot of troubles and dangers to the protagonist, and also bring a lot of funny daily life! And behind the protagonist's abilities, there is a deeper secret...