Help! My System Is so Screwed Up

A high school student miraculously traveled through time while sleeping in math class! After traveling through time, he was extremely unlucky and ended up crossing the body of a beggar, which made him a little distressed. Before Wang Xiaobai could get familiar with the world, the accident came earlier than tomorrow... [Entertainment City, feel free to point out the bad points, but I won't tolerate you being scolded. Finally, thank you everyone for your support!