Rebirth 2001: I Have an Arbitrary Door

Yu Qingshan, a student who failed the high school entrance examination in 2001, accidentally obtained an arbitrary door. After traveling back in 2021 with the secrets of getting rich in the stock market, he was embarrassed to find that what he faced after his rebirth was actually a mudslide-like stock market disaster... Let's see how the reborn people survive the stock market crash... Let's see how he goes from a scumbag to a top student and wins the heart of a famous school beauty! Let's see how he became rich overnight, turning his hands into clouds and rain, from lottery tickets to stocks to futures, from running entities to investing, and he has become a millionaire ever since! Let's see how he works as a porter between the two worlds and how he takes out high-tech products from the future one by one, leaving the world stunned! What he wants is more than just making money, because making money is so easy! Mom will no longer worry about my lack of money!